Question

if x-1/x=3 find x³-1/x³​

Answer 1

Answer:

Step-by-step explanation:

x - 1/x = 3 ---- ( 1 )

x³ - 1/x³ = ( x - 1/x ) ³ + 3 x × 1/x ( x - 1/x)

= 3³ + 3 × 3

= 27 + 9

= 36

I hope this helps you.

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