Math, asked by vanikuradia4423, 8 months ago

how many terms of the AP 27,24,21............... should be taken so that there sum is zero

Answers

Answered by bsrsyamala

11

Step-by-step explanation:

0=n/2[2(27)+(n-1)-3]

0=n/2[54+3-3n]

0=n/2[57-3n]

0=3n/2[19-n]

n=19

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