Find the 20 th term of the series 3-1-23-5-1-33-5-7-1-43-5-7-9-

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Find the 20 t...

Question

Find the 20th term of the series 3 + $\frac{1}{2}$ (3 + 5) + $\frac{1}{3}$ (3 + 5 + 7) + $\frac{1}{4}$ (3 + 5 + 7 + 9) + .........

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Find the $20^{t h}$ term of the series 3 + $\frac{1}{2}$ (3 + 5) + $\frac{1}{3}$ (3 + 5 + 7) + $\frac{1}{4}$ (3 + 5 + 7 + 9) + .........

\frac{1^{3}}{1} + \frac{1^{3} + 2^{3}}{1 + 3} + \frac{1^{3} + 2^{3} + 3^{3}}{1 + 3 + 5} + . . .

9

\frac{1^{3}}{1} + \frac{1^{3} + 2^{3}}{1 + 3} + \frac{1^{3} + 2^{3} + 3^{3}}{1 + 3 + 5} + . . . .

1^{3} = 1

2^{3} = 3 + 5

3^{3} = 7 + 9 + 11

4^{3} = 13 + 15 + 17 + 19

n^{3}

\frac{1^{3}}{1} + \frac{1^{3} + 2^{3}}{1 + 3} + \frac{1^{3} + 2^{3} + 3^{3}}{1 + 3 + 5} + \dots \dots

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