Question

If x+1/x=6 ,Find the value of x^3+1/x^3 ?​

Answer 1

Step-by-step explanation:

x+1=6x

1=6x-x

1=5x

x=1/5

x^3+1/x^3=

1/5^3+1/1/5^3=

1/125+1/ 1/5^3=

126/125×125

=126

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