Evaluate :

`| [ -1 , 1 , 1 ] , [ 1 , -1 , 1 ] , [ 1 , 1 , -1 ] |` is equal to
( a ) -a
( b ) 0
( c ) 1
( d ) 4

If a = - 2 , b = -1 , then ( a^b - b^a ) is equal to ( a ) -1 ( b ) 0.5 ( c ) -2 ( d ) -1.5

Evaluate : ( 1/2 - 1/3 ) + ( 1/3 - 1/4 ) + ( 1/4 + 1/2 ) is equal to ( a ) 0 ( b ) 1/4 ( c ) 1/2   ( d ) 1

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

Value of [ ( 1/3 )^(-1 ) - ( 1/4 )^-1 ]^-1 ( a ) 1 ( b ) 0 ( c ) 3 ( d ) -1

If A = [ [ 0 , 1 ] , [ 0 , 1 ] ] ,then A^2 is equal to ( a ) [ [ 0 , 1 ] , [ 1 , 0 ] ] ( b ) [ [ 1 , 0 ] , [ 1 , 0 ] ] ( c ) [ [ 0 , 1 ] , [ 0 , 1 ] ] ( d ) [ [ 1 , 0 ] , [ 0 , 1 ] ]

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

If a + 1/ b =1 and b+1/c =1. then c+ 1/a is equal to

Find the value of ( 1 - 1/3 ) ( 1 - 1/4 ) ( 1 - 1/5 ) ---------- ( 1 - 1/n ) is ( a ) 2/n ( b ) 4/n ( c ) 3/n ( d ) 5/n

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

Find the value of ( -1/2 )^5 / ( -1/2 )^4 ÷ ( ( -1/8 ) )/( (-1/4 ) ) is ( A ) 2 ( B ) 0 ( C ) 1 ( D ) -1