please answer the question as faster you can
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LHS,
= (4pq + 3q)² - (4pq - 3q)²
= 16p²q² + 24pq² + 9q² -(16p²q² -24pq² +9q²)
= 16p²q² + 24pq² + 9q² -16p²q² +24pq² -9q²
= 24pq² + 24pq²
= 48pq²
= RHS
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