2 If f(x)=2x+33x−2,x≠23 , then the function f of is A) a constant function B) an exponential function C) an even function D) an identity function
4 The symbolic form of the following circuit is (where p,q represents switches S1 and S2 closed respectively ) A) (p∧q)∧(∼p∧∼q)=l B) (p∧[q∧(∼p∧∼q)=l C) (p∨q)∨(∼p∧∼q)=l D) (p∨[q∧(∼p∧∼q)=l
5 If A = {x,y,z}, B= {1,2} , then the total number of relations from set A to set B are A) 8 B) 64 C) 32 D) 16
7 The negation of the statement ' he is poor but happy ' is A) He is poor but not happy B) He is neither poor nor happy C) He is not poor and not happy D) He is not poor or not happy
9 If the line r=(ˆi−2ˆj+3ˆk)+λ(2ˆi+ˆj+2ˆk) is parallel to the plane r.(3ˆi−2ˆj+mˆk)=10 , then the value of m is A) -2 B) 3 C) 2 D) -3
11 The c.d. f F(x) associated with p.d.f. f(x)=3(1−2x2). If 0 < x <1. is k(x−2x3k) , then value of k is A) 3 B) 13 C) 1 D) 16
14 The cofactors of the elements of the first column of the matrix A=[20−1312−112] are A) 0,-7,2 B) -1,3,-2 C) 0,-8,4 D) 0,-1, 1