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Class 11

MATHS

SEQUENCE AND SERIES

Updated On: 13-9-2020

Answer

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Answer

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Solution

Let first term be 'a' and common ratio 'r' Now

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….(1) <br>

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<br>

<br>

<br>

<br> Now

[Put r=2 in equation (1)] <br>

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<br> and

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Representation of sequences and different types of series

Definition + algorithm to determine the sequence of AP

General term of an AP

The

If first term is 8 and last term is 20 common diffference is 2 . find the value of n when the series are in AP.

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Show that the sum of

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