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ab(x2 + y2)+ xy(a2 + b2) का गुणनखण्ड कीजिए |
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Answer» ab(x2 + y2) + xy(a2 + b2)= abx2 + aby2 + xya2 + xyb2 = abx2 + xya2 + aby2 + xyb2 = ax(bx + ay ) + by (ay + bx) = (ax + by)(bx + ay) |
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