Question

escreva o 6° termo do desenvolvimento de
$(x - \frac{1}{2} ) {}^{9}$
​

Answer 1

T6 = (n/p).x^n-p.a^p

t6 = (9/5).x^9-5.(-1/2)^5

t6 = 9!/5!4! . x^4 . (-1/32)

t6 = 9.8.7.6.5!/4.3.2.5! . x^4 . (-1/32)

t6 = -126x^4/32

t6= -63x^4/16