Answers

2014-08-12T21:01:10+05:30
(-1)*19/ -1/ -1/-1
= (-1)/-1   (Both 19 and 3 are odd nos.)
= 1
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2014-08-13T16:15:33+05:30
Both 19 and 3 are odd no hence when i is mutilied by 19 we get -1 and when 1 is multiplied 3 times we get -1 and -1/-1=1
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