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7(x + y)3 +14(x + y)2 +28(x + y) का गुणनखण्ड कीजिए। |
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Answer» 7(x + y)3 + 14(x + y)2 + 28(x + y) = 7(x + y)[(x + y)2 + 2(x + y) + 4] = 7(x + y)[x2 + y2 + 2xy + 2x + 2y + 4] |
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