Question

if x2+1/x2=7 then find the value of x+1/x and x³+1/x³​

Answer 1

Step-by-step explanation:

Given Equation is x² + (1/x²) = 7. ⇒ x + 1/x = 3. ⇒ x³ + 1/x³ = 18. Hope it helps