Binomial TheoremHard
Question
Fourth term in the expansion of 
is-
is-Options
A.40 a7 b3
B.40 a3 b7
C.1890 a6 b4
D.1890 a4 b6
More Binomial Theorem Questions
The value of (nC2 − 2. nC3 + 3.nC4 − 4.nC5 + .....) is equal to -...The sum of the series (-1)r-1 . nCr(a - r) is equal to :...The co-efficient of x4 in the expansion of (1 - x + 2x2) is -...If the sum of the coefficients in the expansion of (1 − 3x + 10x2)n is a and if the sum of the coefficients in the...The term independent of x in is -...