__________ is defined as the output per unit of variable

If x² – 8√2x + 1 = 0, then what is the value of x³ + 1/x³.

Let {x + (1/x)} = 4, then Determine the value of {x² + (1/x²)}

If x + 1/x = 5 then find out the value of x⁵ + 1/(x⁵)?

A train can cross a pole, a bridge of 720 meter long and platform of 640 meter long in 9 seconds, _____ seconds and 25 seconds, respectively.

If (3x - y) = 3, xy = (2/3), then find the value of {x³ - (y³/27)}

If a + b + c = 8, a² + b² + c² = 18 and ab + b c+ ca = 12, then what is the value of a³ + b³ +c³ –3abc?

(44² × 16²) ÷ (184.8 ÷ 8.4) =? × 64