What is the sum from n=1 to infinity of (0.2)^{n-1} ?

The sum from n=1 to infinity of (0.2)^{n-1} is converges

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sum from n=1 to infinity of (0.2)^{n-1}

n = 1 \sum \infty (0.2)^{n - 1}

converges

Solution steps

n = 1 \sum \infty 0. 2^{n - 1}

Apply Series Ratio Test:

converges

= converges

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\frac{d}{d x} (x (x^{3} + 6)^{4})

What is the sum from n=1 to infinity of (0.2)^{n-1} ?
The sum from n=1 to infinity of (0.2)^{n-1} is converges