Question

If x^2 + 1 /x^2 = 34, find the value x^3 + 1/x^ 3​

Answer 1

Step-by-step explanation:

x² + 1/x² = 34

x + 1/x = √ (34 + 2) = 6

x³ + 1/x³ = (x + 1/x)^3 - 3 x/x (x + 1/x) = 6^3 -

3*6 = 198