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Solution for Let the Sum of N, 2n, 3n Terms of an Arithmetic Progression. Be S1, S2 and S3, Respectively, Show that S3 = 3 (S2– S1) - CBSE (Commerce) Class 11 - Mathematics

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Question

Let the sum of n, 2n, 3n terms of an A.P. be S1, S2 and S3, respectively, show that S3 = 3 (S2– S1)

Solution

Let a and b be the first term and the common difference of the A.P. respectively.

Therefore,

  Is there an error in this question or solution?

APPEARS IN

 NCERT Mathematics Textbook for Class 11 (with solutions)
Chapter 9: Sequences and Series
Q: 3 | Page no. 199
Solution for question: Let the Sum of N, 2n, 3n Terms of an Arithmetic Progression. Be S1, S2 and S3, Respectively, Show that S3 = 3 (S2– S1) concept: Arithmetic Progression (A.P.). For the courses CBSE (Commerce), CBSE (Science), CBSE (Arts)
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