x+1/x=7then find the value of x^3-1/x^3
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Answered by
1
x+1/x=7
x+1=7x
1=7x-x
1=6x
1/6=x
x^3-1/x^3
(1/6)^3-1/(1/6)^3
1^3/6^3-1^3/6^3
1/216-1/216
=0
hope it helps you
mark as brainliest please
x+1=7x
1=7x-x
1=6x
1/6=x
x^3-1/x^3
(1/6)^3-1/(1/6)^3
1^3/6^3-1^3/6^3
1/216-1/216
=0
hope it helps you
mark as brainliest please
Answered by
1
Hay buddy first you find the value of x then by using the value of x you can find the given equation.
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