Sum to 20 terms of the series 1-32-2-52-3-72- is-

The correct option is A 188090 ...

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Sum to 20 ter...

Question

Sum to 20 terms of the series 1.3² + 2.5² + 3.7² +... is:

178090

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168090

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188090

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198090

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Similar questions

20

1. 3^{2} + 2. 5^{2} + 3. 7^{2} + . . .

{1.3}^{2} + {2.5}^{2} + {3.7}^{2} +

n

{1.3}^{2} + {2.5}^{2} + {3.7}^{2} + . . . .

\frac{1.3}{2} + \frac{3.5}{2^{2}} + \frac{5.7}{2^{3}} + \frac{7.9}{2^{4}} + \dots . . . . . . . \infty .

20

0.15, 0.015, 0.0015, . . .20

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