Question

what will be the sign of products of 21 negative integer and 5positive integer

Answer 1

hi

we have to find What will be the sign of products of 21 negative integer and 5positive integer

so 

-a ×- a ...................21 times ??

odd numbers of times ,the answer is negative

so it is - 21a

now, 5positive integer

-21a * a* .......5 TIMES

ANSWER IS IN (-) NEATIVE SIGN

HOPE IT HELPS U

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