(v) (b2_a2) - (a2 - b2)= ....?
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Answer:
2(b + a)(b - a)
Step-by-step explanation:
(b² - a²) - (a² - b²)
= b² - a² - a² + b²
= 2b² - 2a²
= 2(b² - a²)
= 2(b + a)(b - a)
∴ (b² - a²) - (a² - b²) = 2(b + a)(b - a)
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