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Question
Q 1.5
Sum
Solution
Given G.P. : `sqrt3+1/sqrt3 + 1/(3sqrt3) + 1/(9sqrt3) +`........
Here,
first terms, a = `sqrt3`
common ratio, r =`(1/sqrt3)/sqrt3=-1/3 (|r| = |1/3|=1/3<1)`
∴ Required sum =`a/(1-r)=sqrt3/(1-1/3)=sqrt3/(2/3)=(3sqrt3)/2`
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Geometric Progression - Finding Sum of Their First ‘N’ Terms
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