Question

the product of two rational number is 1. if one of the rational number is 8/21 find the other. please answer this question I will market it as the brainliest​

Answer 1

Answer:

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Step-by-step explanation:

Given:

The product of two rational number is 1. if one of the rational number is 8/21 .

To find:

The other number be r

A.T.Q

8/21 × r = 1

8r/21 = 1

r = 21/8

Thus:

The other number is 21/8.

Answer 2

Step-by-step explanation:

Given : one r. no = 8/21.

let the other be x

Acc to ques.

x*8/21=1

x=1*21/8 (reciprocal of 8/21=21/8

x=21/8.

hence the other no is 21/8

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