Question

Calcule o 3 termo no desenvolvimento do binômio (x+3)5

Answer 1

$T_p_+_1 = \binom{n}{p}.x^{n - p}.y^p \\ \\ T_2_+_1 = \binom{5}{2}.x^{5 - 2}.2^2 \\ \\ T_3 = 40x^3$