Given a G.P. with a = 729 and 7^("th") t...

Given a G.P. with a = 729 and `7^("th")` term 64, determine `S_7` .

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2059 or 463

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NCERT GUJARATI-SEQUENCES AND SERIES-EXERCISE 9.3

How many terms of G.P. 3, 3^2, 3^3, … are needed to give the sum 120?
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The sum of first three terms of a G.P. is 16 and the sum of the next t...
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Given a G.P. with a = 729 and 7^("th") term 64, determine S7 .
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Find the sum to n terms of the sequence, 8, 88, 888, 8888… .
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