Question

O total de termos no desenvolvimento de (x^7+8x^6)^9

Answer 1

Bom dia 

(x^7+8x^6)^9 = 

x^63 + 72 x^62 + 2304 x^61 + 43008 x^60 + 516096 x^59 + 4128768 x^58 + 22020096 x^57 + 75497472 x^56 + 150994944 x^55 + 134217728 x^54
 72  + 2304  + 43008 + 516096  + 4128768 + 22020096 + 75497472 + 150994944  + 134217728 = 387420488