Simplify the radical expression.

Question

start root start-fraction 63 x superscript 15 baseline y superscript 9 baseline over 7 x y superscript 11 baseline end-fraction end root

(1 point)
Responses

Start Fraction 8 lower x superscript 7 baseline lower y superscript 4 baseline Start Root lower x lower y End Root over Start Root 7 lower x lower y superscript 11 baseline End Fraction
Image with alt text: Start Fraction 8 lower x superscript 7 baseline lower y superscript 4 baseline Start Root lower x lower y End Root over Start Root 7 lower x lower y superscript 11 baseline End Fraction

Start Fraction 3 lower x superscript 7 baseline over y End Fraction
Image with alt text: Start Fraction 3 lower x superscript 7 baseline over y End Fraction

Start Fraction 9 lower x superscript 7 baseline over lower y End Fraction
Image with alt text: Start Fraction 9 lower x superscript 7 baseline over lower y End Fraction

9 lower x superscript 7 baseline lower y

Answer 1

3x^7/√y