If ax – by – cz and b2 – ac, then y equals :
xz/x + z
xz/ 2(x – z)
xz/2( z – x)
2xz/( x + z)
Correct Answer : D
If logX (9/16)= -(1/2), then x is equal to
(log5 3)X(log3 625) equals
If log8 (X2+X)-log5(x+1)=2, then the value of x is