Question 129121
LETS TAKE THIS ONE ELEMENT AS A TIME:
10/2=5
A^2/A^2=1
B^5/B-4=B^(5+4)=B^9
C^-5/C^4=1/C^4+5)=1/C^9
5*1*B^9/C^9
5B^9/C^9 ANSWER.