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The Sum of Some Terms of G.P. is 315 Whose First Term and the Common Ratio Are 5 and 2, Respectively. Find the Last Term and the Number of Terms. - Mathematics

The sum of some terms of G.P. is 315 whose first term and the common ratio are 5 and 2, respectively. Find the last term and the number of terms.

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Solution

Let the sum of n terms of the G.P. be 315.

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APPEARS IN

NCERT Class 11 Mathematics Textbook
Chapter 9 Sequences and Series
Q 8 | Page 199
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