7y/9x . x²/14y tolong ya yang baik

7/9 × y¹.x^-1 . 1/14 × x².y^-1
7/9.14 × y^1-1.x^-1+2
1/18 × y^0 .x¹
1/18 × 1.x¹
x/18

7y/9x . x^2/14y
=7y.x^2 / 9x.14y
=7x^2y / 126xy
= 7/126 . x^2/x . y/y
=1/18 . x
=1/18x