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

A complete factorization of x⁴+64 is 

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

If then the value of x

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

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

What is the value of a²+b²+c²-2ab-2bc+2ca?

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