Binomial theorem for positive integral index
Sequences, series and the binomial theorem · Mathematics
Study notes
Q: Expand (x + 2)^4 using the binomial theorem. Coefficients from row 4: 1, 4, 6, 4, 1. (x+2)^4 = 1(x^4) + 4(x^3)(2) + 6(x^2)(2^2) + 4(x)(2^3) + 1(2^4) = x^4 + 8x^3 + 24x^2 + 32x + 16.