Question

if x plus one upon X equals to 8 then x cube + one upon x cube equals to what

Answer 1

Hello Mate!

x + 1/x = 8

( x + 1/x )^3 = 8^3

x^3 + (1/x)^3 + 3( x ) ( 1/x ) [ x + 1/x ] = 512

x^3 + 1/x^3 + 3 [ 8 ] = 512 [ bcz x + 1/x = 8 ]

x^3 + 1/x^3 = 512 - 24

x^3 + 1/x^3 = 488

Hope it helps☺!✌

Answer 2

Step-by-step explanation:

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