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Find $1 + \frac{1}{2} + \frac{1}{4} + \frac{1}{8} + \dots upto \infty$

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Correct option is B

a=1,r=12 S∞=a1-r=11-12=2

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Find 1+12+14+18+… upto ∞

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Find $1 + \frac{1}{2} + \frac{1}{4} + \frac{1}{8} + \dots upto \infty$