1.

if x minus one upon X equal to 7 find x x cube minus one upon x cube

Answer»

x-1/x = 7x^2 + 1/x^2 = 51x^3 - 1/x^3 = (x-1/x)(x^2+1/x^2+1)7*(51+1)=52*7=364



Discussion

No Comment Found