The value of `(2+2)(2-2)` is
(A) 0
(B) 1
(C) 2
(D) 3

If a+b+c =0, then the value of frac(a^2 +b^2+c^2) (a^2 - bc) is (A) 0 (B) 1 (C) 2 (D) 3

The value of sec^2 12^@-frac(1)(tan^2 78^@ is (A) 0 (B) 1 (C) 2 (D) 3

If x^(2)+3x+3=0 and ax^(2)+bx+1=0 ,a,b in Q have a common root,then value of (3a +b) is equal to : (A) (1)/(3) (B) 1 (C) 2 (D) 4

Find the value of (( 2^0 + 1)/ 5^0 ) is ( a ) 2 ( b ) 1 ( c ) ( 2/5 ) ( d ) ( 3/5 )

Find the value of ( 5^0 + 3^0 ) - 2 ( A ) -1 ( B ) 0 ( C ) 1 ( D ) 2

If a,b,c,d are in G.P., then the value of (a-c)^2+(b-c)^2+(b-d)^2-(a-d)^2 is (A) 0 (B) 1 (C) a+d (D) a-d

Number of value(s) of x satisfying the equation log_2 (log_3 (x^2)) =1 is/are (A) 0 (B) 1 (c) 2 (D) 3

The minimum value of 2^((x^(2)-3)^(3)+27) is 2^(27) (b) 2 (c) 1 (d) none of these

Find the value of ( ( 1/3 )^(-2) + ( 1/4 )^(-2) ) ÷ ( 1/5 )^(-2) ( a ) 0 ( b ) -1 ( c ) 1 ( d ) 7/5

Find the value of [-e ] is ( a ) -2 ( b ) -3 ( c ) -1 ( d ) 0