Math, asked by Tusharsahoo, 1 year ago

50a2 + 98b2 + 140ab

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Answered by Ripred

20

50a^2 + 140ab + 98b^2

= 2(25a^2 + 70ab + 49b^2) => (x + y)^2 = x^2 + 2xy + y^2:

= 2(5a + 7b)^2

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