Coefficient of x y in the expansion of 4 x-7 y2 is

The correct option is C 56(4x 7y)2 = 16x2 + 49y2 56 xy ...

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Polynomials

Coefficient o...

Question

Coefficient of xy in the expansion of (4x - 7y)² is

-28

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-56

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Similar questions

(4 x + 7 y)^{2} - (4 x - 7 y)^{2}

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{(4 x + 7 y)}^{2} - {(4 x - 7 y)}^{2} = 112 x y

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