Wb Jee
Binomial Theorem
WB JEE 2009
MCQ+1 / -0.252009
If C0, C1, C2, ......, Cn denote the coefficients in the expansion of (1 + x)n then the value of C1 + 2C2 + 3C3 + ..... + nCn is
Wb Jee
WB JEE 2009
If C0, C1, C2, ......, Cn denote the coefficients in the expansion of (1 + x)n then the value of C1 + 2C2 + 3C3 + ..... + nCn is