Hello snigdha Originally Posted by
snigdha (1 + x + x^2)/(1 – x + x^2) = [62(1 + x)]/[63(1 – x)]
Re-write the equation as:
$\displaystyle 63(1-x)(1+x+x^2)=62(1+x)(1-x+x^2)$
Remove brackets and simplify, to:
$\displaystyle 125x^3=1$
$\displaystyle \Rightarrow x = \tfrac15$
Grandad