y^-4 = 1/ y^4
so
1/y^-4 = 1 / (1/y^4) = y^4
so
-1y^4 = -y^4
-1/y^-4
A. -4/y
B. -4y
C. y^4
D. -y^4
3 answers
Thanks so much
You are welcome.
A. -4/y
B. -4y
C. y^4
D. -y^4
3 answers