Question

calcule b.(b-1). (b-2).(b-3), para b=5​

Answer 1

Resposta:

3/2+5/2=8/2=4

a:b = 3/2:(-5/2)⇒ 3/2 x -2/5=-6/10

(a.b)²= (3/2 x -5/2)²⇒ ( -15/4)²=225/16

(a+b)²= (3/2-5?2)²⇒ (-2/2)²= 1