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Solution - Arithmetic Progression

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Question

If the nth term of a progression be a linear expression in n, then prove that this progression is an AP

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The 11th term and the 21st term of an A.P. are 16 and 29 respectively, then find:
(a) The first term and common difference
(b) The 34th term
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(ii) an = n2  + 1

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Reference Material

Solution for concept: Arithmetic Progression. For the course 8th-10th CBSE
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