x+1/x=3 find x^3+1/x^3
Answers
Answered by
0
Answer:
18
Step-by-step explanation:
(x+1/x)³ = x³ + 1/x³ + 3.x.1/x(x+1/x)
3³ = x³+ 1/x³ + 3.3
27 - 9 = x³ + 1/x³
x³+1/x³ = 18
Similar questions