pascal's triangle is particularly useful in expanding binomials, for example,
we know that
(x + 3)^4 = x^4 + 12x^3 + 54x^2 + 108x + 81
(x + 2)^6 = x^6 + 12x^5 + 60x^4 + 160x^3 + 240x^2 + 192x + 64
using pascal's triangle to find the coefficients of all the terms
do you know how to do this?