Question

Wrire formula
$({a}^{2} - {b}^{2} ) {}^{2}$
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Answer 1

Answer:

= (a²-b²)² = (a-b)(a+b)

= [(a-b)(a+b)² = (a²-b²)(a²+b²)

= So, (a²×a²)+(b²×b²)+(a²×b²)+(b²×a²)

= Now, (a²+²)+(a²b²)+(b²a²)+(b²+²)

= So, (a²+b²)² = a⁴+2a²b²+b².