Question

if x - 1/x = 7, find the value of x^3 - 1/x^3

Answer 1

Answer:

ttuhoiuvkgdyducyiigagho7haa3goo8hih

Answer 2

Answer:

$x - \frac{1}{x} = 7 \\ \\ {x}^{3} - \frac{1}{ {x}^{3} } \\ {(x - \frac{1}{x}) }^{3} \\ put \: the \: value \: of \: x - \frac{1}{x} \\ ( {7)}^{3} \\ = 343$

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