`a^0` is equal to....
(A)`0`
(B)`1`
(C)`-1`
(D)`a`

(1/5)^0 is equal to 0 (b) 1/5 (c) \ 1 (d) 5

If A=[(n,0 ,0),( 0,n,0),( 0, 0,n)] and B=[(a_1,a_2,a_3),(b_1,b_2,b_3),(c_1,c_2,c_3)] , then A B is equal to (A) B (B) n B (C) B^n (D) A+B

If the function f: R -{1,-1} to A definded by f(x)=(x^(2))/(1-x^(2)) , is surjective, then A is equal to (A) R-{-1} (B) [0,oo) (C) R-[-1,0) (D) R-(-1,0)

If [[x,1]][[1,0],[2,0]]=0 ,then x equals (A) 0 (B) -2 (C) -1 (D) 2

(2^(-1)+3^(-1)+5^(-1))^(0) is equal to (a) 2 (b) 3 (c) 5 (d) 1

tan^(-1)sqrt(3)-cot^(-1)(-sqrt(3)) is equal to (A) (B) (B) (C) 0(D)

If (x+(1)/(x))=2, then (x-(1)/(x)) is equal to (a) 0 (b) 1 (c) 2 (d) 5

(25.025)/(0.025) is equal to (a) 1.01 (b) 10.1(c)101 (d) 1001

A square matrix A is invertible iff det (A) is equal to (A) -1 (B) 0 (C) 1 (D) none of these

If a+(1)/(b)=1 and b+(1)/(c)=1, then c+(1)/(a) is equal to (a)0(b)(1)/(2)(c)1(d)2