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If (x + y)3 − (x − y)3 − 6y(x2 − y2) = ky2, then k =(a) 1(b) 2(c) 4(d) 8 |
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Answer» If (x + y)3 − (x − y)3 − 6y(x2 − y2) = ky2, then k = (a) 1 (b) 2 (c) 4 (d) 8 |
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