Question

4° termo do desenvolvimento de (x+2y/3)6​

Answer 1

Resposta:

$t4 = \binom{6}{3} \times {x}^{3} \times ( \frac{2y}{3} ) {}^{3}$

$t4 = 20 \times {x}^{3} \times \frac{8 {y}^{3} }{27}$

$t4 = \frac{ {160x}^{3} {y}^{3} + 80 {x}^{2}y {}^{4} }{27}$