Show that (4pq+3q) 2 - (4pq-3q)2=48pq2
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Step-by-step explanation:
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Step-by-step explanation:
→ (a + b)² = a² + 2ab + b²
→ (a - b)² = a² - 2ab + b²
(4pq)² + 2(4pq)(3q) + (3q)² - 48pq² = (4pq)² - 2(4pq)(3q) + (3q)²
16p²q² + 24pq² + 9q² - 48pq² = 16p²q² - 24pq² + 9q²
★ Taking -24pq² on both sides
16p²q² + 24pq² + 9q² - 48pq² - 24pq² = 16p²q² - 24pq² + 9q² - 24pq²
16p²q² - 48pq² + 9q² = 16p²q² - 48pq² + 9q²
L.H.S = R.H.S
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