1.

If (1 + x)n = nC0 + nC1x+ nC2x2 + ... + nCnxnthen the value of nC0 + 3 nC1 + 9 nC2+ ... + 3n nCnis______

Answer» If (1 + x)n = nC0 + nC1x+ nC2x2 + ... + nCnxnthen the value of nC0 + 3 nC1 + 9 nC2+ ... + 3n nCnis

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