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Recent questions and answers in Others

0 votes
1 answer
1
Data Mining can be used as _________ Tool. Software Hardware Research Process
answered Jun 3, 2020 in Others Mohit Kumar 6 74 views
0 votes
2 answers
2
If $f(x,y)=x^{3}y+e^{x},$ the partial derivatives, $\dfrac{\partial f}{\partial x},\dfrac{\partial f}{\partial y}$ are $3x^{2}y+1, \: x^{3}+1$ $3x^{2}y+e^{x}, \: x^{3}$ $x^{3}y+xe^{x}, \: x^{3}+e^{x}$ $2x^{2}y+\dfrac{e^{x}}{x}$
answered May 30, 2020 in Others DIBAKAR MAJEE 68 views
0 votes
1 answer
3
Let $n$ be a positive real number and $p$ be a positive integer. Which of the following inequalities is true? $n^p > \frac{(n+1)^{p+1} – n^{p+1}}{p+1}$ $n^p < \frac{(n+1)^{p+1} – n^{p+1}}{p+1}$ $(n+1)^p < \frac{(n+1)^{p+1} – n^{p+1}}{p+1}$ none of the above
answered May 23, 2020 in Others Amartya 96 views
1 vote
2 answers
4
Let $A_{\alpha_0}$ denotes the $\alpha$-cut of a fuzzy set $A$ at $\alpha_0$. If $\alpha_1 < \alpha_2$, then $A_{\alpha_1} \supseteq A_{\alpha_2}$ $A_{\alpha_1} \supset A_{\alpha_2}$ $A_{\alpha_1} \subseteq A_{\alpha_2}$ $A_{\alpha_1} \subset A_{\alpha_2}$
answered May 2, 2020 in Others Girjesh Chouhan 480 views
1 vote
1 answer
5
1 vote
1 answer
6
While solving the differential equation $\frac{d^2 y}{dx^2} +4y = \tan 2x$ by the method of variation of parameters, then value of Wronskion (W) is: $1$ $2$ $3$ $4$
answered Apr 9, 2020 in Others Akanksha Singh 683 views
1 vote
0 answers
7
If $y=f(x)$, in the interval $[a,b]$ is rotated about the $x$-axis, the Volume of the solid of revolution is $(f’(x)=dy/dx)$ $\int_{a}^{b} \pi [f(x)]^{2} dx \\$ $\int_{a}^{b}[f(x)]^{3} dx \\$ $\int_{a}^{b} \pi [{f}'(x)]^{2} dx \\$ $\int_{a}^{b} \pi^{2} f(x)dx \\$
asked Apr 2, 2020 in Others Lakshman Patel RJIT 44 views
0 votes
0 answers
8
The area under the curve $y(x)=3e^{-5x}$ from $x=0 \text{ to } x=\infty$ is $\dfrac{3}{5}$ $\dfrac{-3}{5}$ ${5}$ $\dfrac{5}{3}$
asked Apr 2, 2020 in Others Lakshman Patel RJIT 45 views
0 votes
0 answers
9
Find the area bounded by the curve $y=\sqrt{5-x^{2}}$ and $y=\mid x-1 \mid$ $\dfrac{2}{0}(2\sqrt{6}-\sqrt{3})-\dfrac{5}{2}$ $\dfrac{2}{3}(6\sqrt{6}+3\sqrt{3})+\dfrac{5}{2}$ $2(\sqrt{6}-\sqrt{3})-5$ $\dfrac{2}{3}(\sqrt{6}-\sqrt{3})+5$
asked Apr 2, 2020 in Others Lakshman Patel RJIT 39 views
0 votes
0 answers
10
The equation of the plane through the point $(-1,3,2)$ and perpendicular to each of the planes $x+2y+3z=5$ and $3x+3y+z=0$ is $7x-8y+3z+25=0$ $7x+8y+3z+25=0$ $7x-8y+3z-25=0$ $7x-8y-3z-25=0$
asked Apr 2, 2020 in Others Lakshman Patel RJIT 46 views
0 votes
0 answers
11
Find the volume of the solid obtained by rotating the region bound by the curves $y=x^3+1, \: x=1$, and $y=0$ about the $x$-axis $\dfrac{23\pi}{7} \\$ $\dfrac{16\pi}{7} \\$ $2\pi \\$ $\dfrac{19\pi}{7}$
asked Apr 2, 2020 in Others Lakshman Patel RJIT 42 views
0 votes
1 answer
12
Link analysis operation in data mining uses ___________ technique. Classification. Association discovery. Visualisation. Neural clustering.
answered Apr 2, 2020 in Others immanujs 75 views
0 votes
1 answer
13
The maximum size of SMS in $IS-95$ is ______ octets. $120$ $95$ $128$ $64$
answered Apr 2, 2020 in Others immanujs 66 views
0 votes
0 answers
14
In what module multiple instances of execution will yield the same result even if one instance has not terminated before the next one has begun? Non reusable module Serially usable Re-enterable module Recursive module
asked Mar 31, 2020 in Others Lakshman Patel RJIT 81 views
0 votes
0 answers
15
Identify the incorrect statement : The internet has evolved into phenomenally successful e-commerce engine e-business is synonymous with e-commerce The e-commerce model $B2C$ did not begin with billboardware The e-commerce model $G2C$ began with billboardware
asked Mar 28, 2020 in Others jothee 73 views
0 votes
0 answers
16
Identify the incorrect statement : ATM provides both real time and non-real time service ATM provides faster packet switching than $X.25$ ATM was developed as part of the work on broadband ISDN ATM does not have application in Non-ISDN environments where very high data rates are required
asked Mar 28, 2020 in Others jothee 39 views
0 votes
0 answers
17
The term $hacker$ was originally associated with : A computer program Virus Computer professionals who solved complex computer problems All of the above
asked Mar 27, 2020 in Others jothee 32 views
0 votes
2 answers
18
Baud rate measures the number of ____ transmitted per second Symbols Bits Byte None of these
answered Mar 18, 2020 in Others topper98 1.1k views
0 votes
1 answer
19
The solution of the differential equation $(1 + x^2y^2)ydx + (x^2y^2 − 1)xdy = 0$ is $xy = \log\ x − \log\ y + C$ $xy = \log\ y − \log\ x + C$ $x^2y^2 = 2(\log\ x − \log\ y) + C$ $x^2y^2 = 2(\log\ y − \log\ x) + C$
answered Mar 15, 2020 in Others haralk10 200 views
0 votes
1 answer
20
If $x(t)$ is a solution of $(1-t^2) dx -tx\: dt =dt$ and $x(0)=1$, then $x\big(\frac{1}{2}\big)$ is equal to $\frac{2}{\sqrt{3}} (\frac{\pi}{6}+1)$ $\frac{2}{\sqrt{3}} (\frac{\pi}{6}-1)$ $\frac{\pi}{3 \sqrt{3}}$ $\frac{\pi}{\sqrt{3}}$
answered Mar 14, 2020 in Others haralk10 104 views
0 votes
1 answer
21
The differential equation of all the ellipses centred at the origin is $y^2+x(y’)^2-yy’=0$ $xyy’’ +x(y’)^2 -yy’=0$ $yy’’+x(y’)^2-xy’=0$ none of these
answered Mar 14, 2020 in Others haralk10 95 views
0 votes
1 answer
22
In an ellipse, the distance between its foci is $6$ and its minor axis is $8$. hen its eccentricity is $\frac{4}{5}$ $\frac{1}{\sqrt{52}}$ $\frac{3}{5}$ $\frac{1}{2}$
answered Mar 14, 2020 in Others haralk10 66 views
0 votes
1 answer
23
The differential equation of the system of circles touching the $y$-axis at the origin is $x^2+y^2-2xy \frac{dy}{dx}=0$ $x^2+y^2+2xy \frac{dy}{dx}=0$ $x^2-y^2-2xy \frac{dy}{dx}=0$ $x^2-y^2+2xy \frac{dy}{dx}=0$
answered Mar 14, 2020 in Others haralk10 85 views
0 votes
1 answer
24
Let $w=\log(u^2 +v^2)$ where $u=e^{(x^2+y)}$ and $v=e^{(x+y^2)}$. Then $\frac{\partial w }{\partial x} \mid _{x=0, y=0}$ is $0$ $1$ $2$ $4$
answered Mar 14, 2020 in Others haralk10 107 views
0 votes
1 answer
25
The equation $5x^2+9y^2+10x-36y-4=0$ represents an ellipse with the coordinates of foci being $(\pm3,0)$ a hyperbola with the coordinates of foci being $(\pm3,0)$ an ellipse with the coordinates of foci being $(\pm2,0)$ a hyperbola with the coordinates of foci being $(\pm2,0)$
answered Mar 12, 2020 in Others haralk10 73 views
2 votes
3 answers
26
When n-type semiconductor is heated? number of electrons increases while that of holes decreases number of holes increases while that of electrons decreases number of electrons and holes remain the same number of electron and holes increases equally
answered Jan 7, 2020 in Others midhunraj 2.2k views
2 votes
2 answers
27
ln neural network, the network capacity is defined as: The traffic (tarry capacity of the network The total number of nodes in the network The number of patterns that can be stored and recalled in a network None of the above
answered Jan 3, 2020 in Others `JEET 1k views
2 votes
1 answer
28
The following multithreaded algorithm computes transpose of a matrix in parallel : $\mathrm P$ Trans $\mathrm{(X,Y,N)}$ if $\mathrm {N=1}$ then $\mathrm {Y[1,1] \leftarrow X[1,1]}$ else partition $\mathrm X$ into four $\mathrm {(N/2) \times (N/2)}$ ... $ \mathrm{4) T_1/ T_\infty \; or \; \theta (\lg N/N)}$
answered Dec 28, 2019 in Others `JEET 356 views
0 votes
0 answers
29
Let the population of chromosomes in genetic algorithm is represented in terms of binary number. The strength of fitness of a chromosome in decimal form x, is given by S f(x) = f(x)/Σf(x) where f(x) = x^2 The population is given by P Where : P = {(01101 , (11000),(01000),(10011)} The strength of fitness of chromosomes (11000) is ___________ 1) 24 2) 576 3) 14.4 4) 49.2
asked Dec 22, 2019 in Others Sanjay Sharma 1.4k views
2 votes
2 answers
30
A doubly linked list is declared as: struct Node { int Value; struct Node *Fwd; struct Node *Bwd; }; Where Fwd and Bwd represent forward and backward link to the adjacent elements of the list. Which of the following segment of code deletes the node pointed to by $X$ ... Fwd.Bwd = X.Bwd; X$\rightarrow$Bwd$\rightarrow$Fwd = X$\rightarrow$Bwd; X$\rightarrow$Fwd$\rightarrow$Bwd = X$\rightarrow$Fwd;
answered Dec 16, 2019 in Others Sarang 3.7k views
2 votes
2 answers
31
Let $\begin{array}{} V_1 & = & \frac{7^2+8^2+15^2+23^2}{4} – \left( \frac{7+8+15+23}{4} \right) ^2, \\ V_2 & = & \frac{6^2+8^2+15^2+24^2}{4} – \left( \frac{6+8+15+24}{4} \right) ^2 , \\ V_3 & = & \frac{5^2+8^2+15^2+25^2}{4} – \left( \frac{5+8+15+25}{4} \right) ^2 . \end{array}$ Then $V_3<V_2<V_1$ $V_3<V_1<V_2$ $V_1<V_2<V_3$ $V_2<V_3<V_1$
answered Nov 25, 2019 in Others techbd123 151 views
1 vote
2 answers
32
The following LLP $\text{Maximize } z=100x_1 +2x_2+5x_3$ Subject to $14x_1+x_2-6x_33+3x_4=7$ $32x_1+x_2-12x_3 \leq 10$ $3x_1-x_2-x_3 \leq 0$ $x_1, x_2, x_3, x_4 \geq 0$ has Solution : $x_1=100, \: x_2=0, \: x_3=0$ Unbounded solution No solution Solution : $x_1=50, \: x_2=70, \: x_3=60$
answered Nov 14, 2019 in Others Arun Kumar Dey 978 views
0 votes
1 answer
33
If the distance between the foci of a hyperbola is $16$ and its eccentricity is $\sqrt{2}$, then the equation of the hyperbola is $y^2-x^2=32$ $x^2-y^2=16$ $y^2-x^2=16$ $x^2-y^2=32$
answered Nov 10, 2019 in Others `JEET 66 views
0 votes
1 answer
34
Let $f(x) = \dfrac{x}{(x-1)(2x+3)}$, where $x>1$. Then the $4^{th}$ derivative of $f, \: f^{(4)} (x)$ is equal to $- \frac{24}{5} \bigg[ \frac{1}{(x-1)^5} – \frac{48}{(2x+3)^5} \bigg]$ $\frac{24}{5} \bigg[ – \frac{1}{(x-1)^5} + \frac{48}{(2x-3)^5} \bigg]$ $\frac{24}{5} \bigg[ \frac{1}{(x-1)^5} + \frac{48}{(2x+3)^5} \bigg]$ $\frac{64}{5} \bigg[ \frac{1}{(x-1)^5} + \frac{48}{(2x+3)^5} \bigg]$
answered Oct 24, 2019 in Others `JEET 148 views
1 vote
1 answer
35
If $0 <x<1$, then the sum of the infinite series $\frac{1}{2}x^2+\frac{2}{3}x^3+\frac{3}{4}x^4+ \cdots$ is $\log \frac{1+x}{1-x}$ $\frac{x}{1-x} + \log(1+x)$ $\frac{1}{1-x} + \log(1-x)$ $\frac{x}{1-x} + \log(1-x)$
answered Oct 19, 2019 in Others chirudeepnamini 205 views
1 vote
1 answer
36
If a focal chord of the parabola $y^2=4ax$ cuts it at two distinct points $(x_1,y_1)$ and $(x_2,y_2)$, then $x_1x_2=a^2$ $y_1y_2=a^2$ $x_1x_2^2=a^2$ $x_1^2x_2=a^2$
answered Oct 10, 2019 in Others `JEET 59 views
0 votes
1 answer
37
Let the following two equations represent two curves $A$ and $B$. $A: 16x^2+9y^2=144\:\: \text{and}\:\: B:x^2+y^2-10x=-21$ Further, let $L$ and $M$ be the tangents to these curves $A$ and $B$, respectively, at the point $(3,0)$. Then the angle between these two tangents, $L$ and $M$, is $0^{\circ}$ $30^{\circ}$ $45^{\circ}$ $90^{\circ}$
answered Oct 10, 2019 in Others techbd123 53 views
1 vote
1 answer
38
Let $\omega$ denote a complex fifth root of unity. Define $b_k =\sum_{j=0}^{4} j \omega^{-kj},$ for $0 \leq k \leq 4$. Then $ \sum_{k=0}^{4} b_k \omega ^k$ is equal to $5$ $5 \omega$ $5(1+\omega)$ $0$
answered Oct 9, 2019 in Others techbd123 194 views
1 vote
1 answer
39
$x^4-3x^2+2x^2y^2-3y^2+y^4+2=0$ represents A pair of circles having the same radius A circle and an ellipse A pair of circles having different radii none of the above
answered Sep 30, 2019 in Others techbd123 70 views
0 votes
0 answers
40
Let $\{a_n\}$ be a sequence of non-negative real numbers such that the series $\Sigma_{n=1}^{\infty} a_n$ is convergent. If $p$ is a real number such that the series $\Sigma \frac{\sqrt{a_n}}{n^p}$ diverges, then $p$ must be strictly less than $\frac{1}{2}$ $p$ must be ... $1$ but can be greater than$\frac{1}{2}$ $p$ must be strictly less than $1$ but can be greater than or equal to $\frac{1}{2}$
asked Sep 23, 2019 in Others Arjun 125 views
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