Question

if the product of two whole numbers is 1 can we say that one or both of them will be 1 ? justify through examples​

Answer 1

It is only possible if we multiply 1 with 1 or else if we multiply any number with 1 we will only get the same number so we should multiply a number with its multiplicative inverse to get 1.
Eg. 5 x 1/5 = 1
2 x 1/2 = 1
The reciprocal of any number is its multiplicative inverse.

Answer 2

Answer:

It can be 1

Because 1 × 1 = 1

or else when we multiply a number with its additive inverse we get the product 1

Eg : -7 × 7 =  1

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