If x+1/x=root3 find x^3 +1/x^3
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Class 9
>>Maths
>>Polynomials
>>Algebraic Identities
>>If x - 1x = √(3) , then x^3 - 1x^3 equ
Question

If x−x1=3, then x3−x31 equals
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Given
x−x1=3
on cubing both sides
(x−x1)3=(3)3
⇒x3−3.x2,x1+3.x.x21+x31=33
⇒x3−x31+3(x+
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