Math, asked by shreyamishra8374, 7 months ago

simplify
(12a+17b)^2 - (12a-17b)^2

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Answered by Snapskg730

2

Answer:

(12a+17b)² - (12a-17b)²

(a+b)²=a²+b²+2ab

(a-b)²=a²+b²-2ab

(12a)²+(17b)²+2(12a)(17b) - [(12a)²+(17b)²-2(12a)(17b)]

144a² + 289b² + 408ab - (144a²+289b²-408ab)

144a² + 289b² + 408ab - 144a² -289b² +408ab

408ab + 408ab

816ab

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