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

if a+b+c=7 and a³+b³+c³-3abc=175, then what is the value of (ab+bc+ca)?

If x = y = 333 and z = 334, then the value of x³ + y³ + z³ – 3xyz is

Simplify the following expression.

If x²+4y²=17 and xy=2, where x>0,y>0, then what is the value of x³+8y³?

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

If x+y+z=10, x²+y²+z²=30, then the value of x³+y³+z³-3xyz is _________.

If 9x² + y² = 37 and xy = 2, x, y>0, then the value of (27x³+ y³) is: