(-1)×(-1)×(-1)×...171 times explain with solution
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(-1)×(-1)×(-1)×.......171 times
= (-1)^171
= -1.
It can be clearly observed that when a pair of negatives is multiplied, the product is positive [(-) × (-) = (+)]..
In the above question, (-1) is multiplied by itself 171 times which is a odd times........ which means a negative will be left out while multiplying the pairs. So, the product will be negative.
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(-1)*(-1)*(-1)*---171times
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