Question

if x+1/x=and x-1/x=3,then find x^3+1/x^3​

Answer 1

Answer:

your answer in image

last line not come that is .

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x³+1/x³=18

mark me brilliant

Answer 2

$\bold\pink{x - \frac{1}{x} = \sqrt{3} }$

$\bold\green{ {x}^{3} - \frac{1}{ {x}^{3} } - 3(x - \frac{1}{x} ) }$

$\bold\orange{ = - \sqrt[3]{3} }$