Question

To get the product as 1, we should multiply 8/21 by

a) 8/21 b) -8/21 c) 21/8 d) -21/8​

Answer 1

Answer:

option b is correct answer

Step-by-step explanation:

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Answer 2

Answer:

c) 21/8

Step-by-step explanation:

This is because when we multiply it with 8/21 both get cancelled and it results in one.