1
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 .
2
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 80000-2, begin the natural numbers with 0, corresponding to the ... zero as the whole numbers, but in other writings, that term is used instead for the integers (including negative integers).""(SOURCE:WIKIPEDIA)
3
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 } which of the following statement is ... 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.
4
What is difference between the following languages a*b* and ambn { where m <= n }
5
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?
1 vote
6
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?
1 vote
7
Can you see why the output of the following code is 256? main () { int a=0x1ff; char *careful= &a; *careful = 0; printf("%d", a); }