Wb Jee
Binomial Theorem
WB JEE 2010
MCQ+1 / -0.252010
If in the expansion (a \(-\) 2b)n, the sum of the 5th and 6th term is zero, then the value of \({a \over b}\) is
Wb Jee
WB JEE 2010
If in the expansion (a \(-\) 2b)n, the sum of the 5th and 6th term is zero, then the value of \({a \over b}\) is