a.2x^3 + 6x^2 y b.2y^3 + 6x^2 y c.2y^3 + 6xy^2 d.2x^3 + 6x^2 y
question = (x + y )^3 - (x - y ) ^3 fast !!
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Equations x + y = 2,2x + 2y = 3 will have toppr.com
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