Binomial TheoremMedium
Question
The sum of the co-efficients in the expansion of (1 - 2x + 5x2)n is ′a′ and the sum of the co-efficients in the expansion of (1 + x)2n is b. Then -
Options
A.a = b
B.a = b2
C.a2 = b
D.ab = 1
More Binomial Theorem Questions
If$$26\left( \frac{2^{3}}{3}\left( \ ^{13}C_{2} \right) + \frac{2^{5}}{5}\left( \ ^{12}C_{4} \right) + \frac{2^{7}}{7}\l...In the expansion of (51/2 + 71/8)1024, the number of integral terms is -...The coefficient of x53 in the following expansion(x − 3)100-m. 2m is...The total number of distinct terms in the expansion of, (x + a)100 + (x - a)100 after simplification is :...Let ω be a complex cube root of unity with ω ≠ 1 and P = [pij] be a n × n matrix with pij = ωi...