(1).8(a-b)^8/[3分之4(a-b)^2]为多少?(要求写出完整的过程)(2)-6(x-y)^6/[2分之1(y-x)^3]为多少?(要求写出完整的过程)

Question

(1).8(a-b)^8/[3分之4(a-b)^2]为多少?(要求写出完整的过程)
(2)-6(x-y)^6/[2分之1(y-x)^3]为多少?(要求写出完整的过程)

Answer 1

1>.
8(a-b)^8/[3分之4(a-b)^2]=
8(a-b)^6/(4/3)=6(a-b)^6
2>.
-6(x-y)^6/[2分之1(y-x)^3]=
-6(y-x)^6/[2分之1(y-x)^3]=
-6(y-x)^3/1/2=
-12(y-x)^3=12(x-y)^3