Question

1+1/10+2/10^2+2/10^3+......
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Answer 1

Answer:

1 * (1*1 + 1) = 02

2 * (2*2 + 1) = 10

3 * (3*3 + 1) = 30

4 * (4*4 + 1) = 68

5 * (5*5 + 1) = 130

or simply n3+n∗1

i.e. n3+n

Step-by-step explanation:

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