English, asked by shahidmalik353, 2 months ago

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Find the sum of 20 terms of series 2 - 4 + 6 - 8 + 10 - 12 +

Answers

Answered by jaya1980543

1

Answer:

your question is missing please write full question

Answered by yatishpatra4540

5

Answer:

-40

Explanation:

2-4+6-8+10-12+14-16+18-20+22-24+26-28+30-32+34-36+38-40+42-44+46-48+50-52+54-56+58-60+62-64+66-68+70-72+74-76+78-80 = -40

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