Question

If x2+1/x2=27 find the value of x3+1/x3can anyone answer this, please

Answer 1

Please find attached photograph for your answer

Answer 2

Explanation:

x2+1/x2=27

x2+1=27x2

1=26x2

x2 = 1/26

x = √(1/26)

x3+1/x3 = (√(1/26))^3 + 1 / (√(1/26))^3

x3+1/x3 = 134