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Mathematics

The sum of n terms of a G.P. with first term a and common ratio r, when r = 1, is given by: 1. 2. 3. n2a 4. na

G.P.

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Answer

Given,

r = 1, then all terms are same:

a, a, a, ……a

Sn = a + a + a + a…… + upto n terms

= n × a.

Hence, option 4 is the correct option.

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