Math, asked by jeet2007, 10 months ago

(vi) (6x+7y)2- 84xy=36x2+49y2

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Answered by skgupta1581

5

Answer:

Answer : 36x² - 84xy + 49y² ( 6x)² + (7y)² - 2 (6x) (7y) Using identity : a² + b² - 2xy = (x-y)² we get , ( 6x - 7y)² (6x - 7y) ...

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