If x = z = 225 and y = 226 then the value of : x³ + y³ + z³ – 3xyz is

 If 3x²-5x+1=0, then the value of ( $$x^2+{1\over 9x^2}$$) is 

If 4x² + y² = 40 and xy = 6, then find the value of 2x + y.

A complete factorization of x⁴+64 is 

If a = 2·361, b = 3·263 and c = 5·624, then the value of a³ + b³ – c³ + 3abc is

What is the simplified form the expression (1+x)(1+x²)(1+x⁴)(1+x⁸)(1-x)?

If  $$n+{2\over 3}n+{1\over2}n+{1\over7}n=97$$ then the value of n is : 

If P = 99, then the value of P(P²+3P+3) is