JEE Main & Advanced Mathematics Geometric Progression Sum of infinite terms of a G.P.

Sum of infinite terms of a G.P.

Category : JEE Main & Advanced

(1) When \[|r|\,<1\],    (or \[-1<r<1)\]; \[{{S}_{\infty }}=\frac{a}{1-r}\].

 

(2) If \[r\ge 1\], then \[{{S}_{\infty }}\] doesn't exist.



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