Question

if x+1/x=√5 find x^3-1/x^3

Answer 1

answer: is 8√5

Step-by-step explanation:

this might help you

Answer 2

${(x + \frac{1}{x} ) }^{3} = {x}^{3} + { \frac{1}{x} }^{3} \\ + 3 \times {x}^{2} \times \frac{1}{x} + 3 \times x \times { \frac{1}{x} }^{2}$

we have used this formula to solve the above question.