Binomial TheoremHard
Question
The co-efficient of x4 in the expansion of (1 - x + 2x2) is -
Options
A.12C3
B.13C3
C.14C4
D.12C3 + 3 13C3 + 14C4
More Binomial Theorem Questions
If the coefficients of x7 & x8 in the expansion of are equal, then the value of n is -...If in the expansion of , the ratio of 6th terms from beginning and from the end is 1/6, then the value of n is -...The sum is equal to :...The value of (nC2 − 2. nC3 + 3.nC4 − 4.nC5 + .....) is equal to -...If |x| < 1, then the co-efficient of xn in the expansion of (1 + x + x2 + x3 +....)2 is...