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For the series S = 1+ 1/(1 + 3) (1 + 2)2 + 1/(1 + 3 + 5) (1 + 2 + 3)^2 1/)1 + 3 + 5 + 7 (1 + 2 + 3 + 4)^2 + ....

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in Binomial theorem by (52.7k points)

For the series S = 1+ 1/(1 + 3) (1 + 2)2 + 1/(1 + 3 + 5) (1 + 2 + 3)2 1/)1 + 3 + 5 + 7 (1 + 2 + 3 + 4)2 + ....

(A)  7th term is 16 

(B)  7th term is 18

(C)  sum of first 10 terms is 505/4

(D)  sum of first 10 term is  405/4

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Correct option  (A), (C)

Therefore, T7 = 16 and S

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