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+2
votes
1
IIT Kanpur Sample
3. Let α, β, γ be roots of equation x^3 + 3x^2 + 2x + 12. Then α^2 + β^2 + γ^2 is equal to .
answered
Apr 13, 2018
in
Written Exam

41
views
0
votes
2
Self doubt (natural number)
Natural numbers begin from 0 or 1?... now according to modern maths do we consider set of positive integers as natural numbers {0,1,2...}? ""Some definitions, including the standard ISO 800002,[1] begin the natural ... numbers, but in other writings, that term is used instead for the integers (including negative integers).""(SOURCE:WIKIPEDIA)
answered
Dec 16, 2017
in
Set Theory & Algebra

46
views
engineeringmathematics
discretemathematics
0
votes
3
internet
consider the following program main() { int a=5; int*b=&a; printf("%p",b);// .................LINE 1 printf("%d",b);//...................LINE 2 printf("%u",b);//...................LINE 3 } ... will always print correct address. C)only line 1 and 3 will always print correct address. D)all the lines i.e line 1 line 2 line 3 will always print correct address.
answered
Nov 23, 2017
in
Programming

61
views
programminginc
0
votes
4
What is difference between the following languages a*b*
What is difference between the following languages a*b* and ambn { where m <= n }
answered
Nov 23, 2017
in
Theory of Computation

90
views
regularexpressions
+4
votes
5
Use of macro instead of function is recommended.
Use of macro instead of function is recommended. (a) when one wants to reduce the execution time (b) when there is a loop with a function call inside (c) when a function is called in many places in a program (d) In (a) and (b) above Can some one explain how option 'b' is true?
answered
Nov 6, 2017
in
Programming

363
views
programminginc
macros
functions
+1
vote
6
An undirected graph has an even number of vertices of odd degree.
What does it means ? An undirected graph has an even number of vertices of odd degree. But let a 4 vertex cycle graph if it not complete having even vertex and even degree each vertex .Is it rt?
answered
Oct 25, 2017
in
Mathematical Logic

549
views
graphtheory
+1
vote
7
C. interesting scenario.
Can you see why the output of the following code is 256? main () { int a=0x1ff; char *careful= &a; *careful = 0; printf("%d", a); }
answered
Oct 25, 2017
in
Algorithms

115
views
programminginc
0
votes
8
doubt
https://gateoverflow.in/30720/tifr2016b7 the above question is already discussed but still am not clear enuf can someone help
answered
Oct 22, 2017
in
Algorithms

64
views
0
votes
9
Self doubt
Design a dfa in which accepts all the strings in which every prefix the difference of 0 and 1 is not more than 2?
answered
Oct 22, 2017
in
Theory of Computation

65
views
theoryofcomputation
0
votes
10
GA TesT
Designer mealy machine to decrement a binary number by 1
answered
Oct 22, 2017
in
Theory of Computation

639
views
theoryofcomputation
+1
vote
11
C programming
#include<stdio.h> int main() { int a=10,b=20,c=30; c==a==b; Printf("%d%d%d",a,b,c); return0;}
answered
Oct 5, 2017
in
Programming

345
views
programminginc
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