Simplify the radical expression.
√63x^15y^9/7xy^11
A. 8x^7 y^4 √xy / √7xy^11
B. 3x^7 / y
C. 9x^7 / y
D. 9x^7y
2 answers
C. 9x^7 / y
Since they said "radical expression" I assume they meant
√(63x^15y^9/(7xy^11))
= √(9x^14/y^2)
= 3x^7/y
So, B
√(63x^15y^9/(7xy^11))
= √(9x^14/y^2)
= 3x^7/y
So, B