If a^2x+2=1, where a is a positive real number other than 1, then x is equal to 

If , the value of 8 × 2  is : 

If x = a - b, y = b - c, z = c - a, then the numerical value of the algebraic expression x³ +y³ + z³ -3xyz will be 

If x is real then the minimum value of (x²-x-1) is :

is equal to

If a=25, b=15 , c=-10 then find the value of

If and then

If (a+b)=16 and a³+b³=1456, then what is the value of ab?