Question

If x + 1/x = 2. find the value of x³ + 1/x³.
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Answer 1

2

Explanation:

x + 1/x = 2

x + 1 = 2x

x = 1

x³ + 1/x³

1³ + 1/1³.

1 + 1/1 = 1 + 1 = 2