first term and the sum of an infinite g. p. are 2 and 3 respectively. find the common ratio and sum upto n term .
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Hello dear,
First term =A = 2
And S∞= 3 = 2/(1-r) = 3
Sn = 2(1-rⁿ)/(1-r)
First term =A = 2
And S∞= 3 = 2/(1-r) = 3
Sn = 2(1-rⁿ)/(1-r)
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