Question

Calcule o desenvolvimento da expressao (3x+1)^5

Answer 1

${(3x + 1)}^{5} = {(3x + 1)}^{3 + 2} \\ {(3x + 1)}^{3} \times {(3x + 1)}^{2 } \\ ( {27x}^{3} + {27x}^{2} + 9x + 1) \times ( {9x}^{2} + 6x + 1) \\ {243x}^{5} + {405x}^{4} + {270}^{3} + {90x}^{2} + 15x + 1$