Question

a^2 - 2ab - b^2 = (a^2 + b^2)
how?​

Answer 1

(i). a²+b² = (a+b)² - 2ab

= a²+2ab+b²-2ab

= a²+b²

=> LHS = RHS

Therefore, hence proved!

Answer 2

Answer:

Left side = a²+b²

Right side= a²-2ab +b²

a²+b²=(a+b)² -2ab

or,a²+b²=a²+ 2ab +b²-2ab

or,a²+b²=a²+b²{Prove}

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