If and , then find the value of…

MATHEMATICS · Subjective · CBSE · Mathematics · Number Systems · Number Systems

Problem

If a=2+12−1a = \frac{\sqrt{2}+1}{\sqrt{2}-1} and b=2−12+1b = \frac{\sqrt{2}-1}{\sqrt{2}+1}, then find the value of a2+b2−4aba^2 + b^2 - 4ab.

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