Math, asked by aniketmonu6668, 6 months ago

Find the sum of AP -11+13-15+16-19+19.... to 20 terms

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Answered by shubhamkh9560

5

Answer:

The sum of the first n terms in an arithmetic sequence is (n/2)⋅(a₁+aₙ).

Answered by Anonymous

0

Answer:

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