Question

If x+1/x=root3 find x^3 +1/x^3

Answer 1

Answer:





Join / Login

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

Medium

Open in App

Solution



Verified by Toppr

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+