Answer:
See below
Step-by-step explanation:
Given
Solving
- 4/1 * x^-2/1 * y/1 * 1/x * 1/y^-2=
- 4/1 * 1/x^2 * 1/x * y/1 * y^2/1 =
- 4y^3/x^3
Correct steps and answer given above
The mistake was in line 2:
- 4/1 in line 1 was changed to 1/4 in line 2 by a mistake
