Question

if x+1/x =10/3 find the value ofx^3-1/x^3​

Answer 1

X +1/x=10/3 (LCM= x) ⇒x² + 1=10x/3 ⇒3x² -10x +3=0 ⇒3x² - x -9x +3 ⇒x( 3x-1) -3(3x-1) After factorising, you get x=3/ ..

I hope that helps you