Answers

2016-04-07T21:38:54+05:30
When + is multiplied / divided by + the product is +
when - is multiplied /divided by - the product is +
when +/- multiplied / divided by -/+ the product is -
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2016-04-07T21:39:18+05:30
If the product of two integers is positive, then the signs of both the integers may be negative or the signs of both the integers may be positive.
For ex: -2*-2=+4
             2*2=+4
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