Question

the product of two rational is (-15/7)if one them is(-10/21),find the other number

Answer 1

let other no =x
ATQ:-
x×(-10/21)= -15/7
x= -15/7×21/(-10)
x=9/2

Answer 2

Step-by-step explanation:

1. let other no = x
2. x × (-10/21) = -15/7
3. x = -15/7 × 21/-10
4. x = 9/2