Question

if x square +1/x square =34 find x cube +1/x cube - 9​

Answer 1

Step-by-step explanation:

(x+1/x) ^2 = x^2+1/x^2+2

(x+1/x) ^2 = 34+2 = 36

(x+1/x) ^3 = x^3+1/x^3 + 3(x+1/x)

(x+1/x) ^3 - 3(x+1/x) = x^3+1/x^3

put the values and get your answer