What is the 21 term of the series -1,2.-3,4,-5,6,-7.....?
pratiq:
-21
answer is 11
Answers
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its -21,as all odd numbers are -ve and 1 term =adding 1 number
Answer is 11
how
I don't know but that's the answer...
please answer my question
Answered by
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-21 is 21 term of the series
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