*The sum of first 7 terms …

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*The sum of first 7 terms of AP is -14 and that of 11th term is -55. Find the sum of its 'n' terms* Please solve the above question.

Posted by Zaid Aslam 1 year, 3 months ago

CBSE > Class 10 > Mathematics

2 answers

Deepika Maini 1 year, 3 months ago

3Thank You

Ayush Kumar 1 year, 3 months ago

S7=-14

3Thank You

ANSWER

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