Question

Starting from 5 × (-1), write various product showing some patterns to show (-1) × (-1) = 1.​

Answer 1

Answer:

1×1=1

1×(-1)= -1

(-1)×(-1)= 1

Answer 2

Answer: Various products showing this pattern are as follows :-

I) Positive one × positive one => 1 × 1 = 1

ii) Positive one × negative one => 1 × (-1) = -1

iii) Negative one × negative one =>

(-1) × (-1) = 1

iv) Negative one × positive one => (-1) × 1 = - 1

THE FOURTH IS THE JUST VICE - VERSA OF THE SECOND BUT USUALLY WE SHOULD WRITE THAT ALSO.....

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