Question

the product of two rational number is-3/7. if one of the number is 5/21, find the other​

Answer 1

U must learn these simple mathematics......

Answer 2

Given:

Product of two rational number = -3/7.

One of the number = 5/21

To Find:

Other number

Solution:

Let other number be x

So

ATQ

x × 5/21 = -3/7

x = (-3/7) × (21/5)

x = - 9/5

Hence, other rational number is -9/5.