Question

x+1/x=5 , find the value of x^3 + 1/x^3

Answer 1

Answer:

The value of x ^3 +1/x^3 is 110

Step-by-step explanation:

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Answer 2

Answer:

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Step-by-step explanation:

X- 1/X = 5

( X- 1/X)³ = (5)³

X³ - 1/X³ - 3 ( X - 1/X ) = 125

X³ - 1/X³ - 3 ( 5 ) = 125

X³ - 1/X³ - 15 = 125

X³ - 1/X³ = 125 + 15 = 140

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