Question

guys plz tell this..........​

Answer 1

Answer:

by these method....

1.-7/21 , 4/-12 = 1/-3

2 . 20/-25, 12/15 = 4/-5

3 . -2/-3,10/15= 2/3

4. 8/-5 , 24/-15 = 8/5

5. -7/-11 , -21 / 33 = 7/-11

So by this you can see that only no. s- 3, 4 . are eqauls