Question

thực hiện phép chia :

( x - y )^7: ( y - x )^6

Answer 1

\(\left(x-y\right)^7:\left(y-x\right)^6\left(dk:x\ne y\right)\)

\(=\left(x-y\right)^7:\left(x-y\right)^6\)

\(=x-y\)