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Deepak Bora
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Deepak BoraNewbie
Asked: August 11, 2020In: CBSE, ICSE

If the 5th and 12th terms of an AP are -4 and -18 respectively, find the sum of first 20 terms of the AP.

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Here the two terms of an AP is given you have to find the sum of first n term of ...Read more

arithmetic progressionexercise 11 cicse&cbse boardquestion no. 18rs aggarwal
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