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#3281
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ACE Testseries
Which of them is valid ? How to solve it?
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#3282
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2 answers
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ACE Testseries
In a connected simple graph with 30 edges the maximum number of vertices possible are
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#3283
566
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0 answers
1 votes
Self Doubt
Relation between rank and number of non-zero eigenvalues of a matrixIf Rank of n X n matrix is r, then number of non zero eigen values ?? In either of cases det(A) = 0 or if det(A) not equal 0
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#3284
338
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Matrices
The number of binary matrices of order $N*N$ whose determinant is exactly zero.
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#3285
454
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Tautology
Consider the following statements:$P_1$: Sachin Tendulkar gets out before the tea break only if Ishant Sharma comes out to bat.$P_2$: Ishant Sharma won't come out to ... one, and all follows, thus option D is correct but given answer is C.
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#3286
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Self Doubt
$f(x) =2x^{3}-9x^{2} +1$ on the interval [−2,2]1) Find all the local (=relative) minima and maxima of the function​​​​​​​2) Find all the minimum and maximum value of the function in [-2,2]​​​​​​​​​​​​​​
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#3287
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self doubt
if + + represents function increasing at increasing rate, then what will be represented by - +
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#3288
2.1k
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2 answers
3 votes
grade up
If a fair coin is tossed until the same result turns up in succession (both head or both tail) then find the probability when the number of tosses are even. (Round up to two decimal places)
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#3289
1.2k
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GradeUp quiz-Maxima minima
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#3290
357
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1 answers
1 votes
Probability
The probability of a student passing an exam is 0.1. What is the probability that he passes the exam in the 3rd attempt? Please explain in details. I am confused about ... he is trying. ie. Answer = 0.1 Which one is wrong and why?
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#3291
192
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Probability
From a deck of 52 cards, what is the probability of picking 2 kings:a)With replacementB)Without replacement Please explain in details. I am new to probability. Thank you. :)
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#3292
872
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1 answers
1 votes
Probability
After practicing some problems in probability I have realized that I have confusions regarding problems of type"With replacement" and "Without replacement"To ... of 52 cards:1. With replacement2. Without replacementCan anyone help me?
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#3293
2.8k
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2 answers
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Graph Coloring
How many ways are there to color this graph from any $4$ of the following colors : Violet, Indigo, Blue, Green, Yellow, Orange and Red ?There is a condition ... vertices should not be of the same colorI am getting $1680$. Is it correct?
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#3294
1.6k
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self doubt
Is this lattice distributive?
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#3295
818
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ME TEST SERIES
plz explain the definition of empty set!
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#3296
226
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ME TEST SERIES
for bijection it should be R-{1/2}..Right??
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#3297
166
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0 answers
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Rosen
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#3298
1.4k
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1 answers
1 votes
Kenneth Rosen Edition 6th Exercise 2.3 Question 35 (Page No. 147)
Show that the function f(x) = ax + b from R->R is invertible, where a and b are constants, with a$\neq$0, and find the inverse of fHow to check whether this function is onto?pls give a detailed solution
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#3299
394
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1 answers
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#Self doubt Rosen
In the Rosen it is mentioned that P → Q is same as Q unless (negation P).Can someone please explain this...I m not getting the intuition behind this!
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#3300
290
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1 answers
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Ace test series
The formula for the number of positive integers m which are less than p^k and relatively prime to p^k, where p is a prime number and k is a positive integer is__________-A)p^k(p-1) ... D)(p^(k-1))(p-1)
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