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Home/question no. 28
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Deepak Bora
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Deepak BoraNewbie
Asked: August 12, 2020In: CBSE, ICSE

The sum of the first 9 terms of an AP is 81 and the sum of its first 20 term is 400. Find the first term and the common difference of the AP.

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In this Question the sum of first two n terms of the AP is given. You have to find the ...Read more

arithmetic progressionclass 10exercise 11 cquestion no. 28rs aggarwal
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Deepak Bora
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Deepak BoraNewbie
Asked: August 2, 2020In: CBSE, ICSE

The first and last term of an AP are a and l respectively. Show that the sum of the nth term from the beginning and the nth term from the end is (a+l)

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ICSE & CBSE Board Question Based on Arithmetic Progression of RS Aggarwal Here the First and last term of an ...Read more

arithmetic progressionexercise 11 aquestion no. 28rs aggarwal
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