Biology, asked by shrabanti8, 11 months ago

please help me for this question

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Answers

Answered by sreenivas007
0

Answer:

Please note the full question....

Explanation:

It is not Biology ,its mathematics ............

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Answered by gayathrivantharam
0

Explanation:

answer is zero 0

a is equal to -12d

then 13th term is a+12d

so -12d+12d =0

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