JEE Advanced Model Paper 3 with solutions for online practice

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Question : 49 of 60

Marks: +1, -0

For the series,
S = 1 +

1

(21+3)

(1+2)2 +

1

(1+3+5)

(1+2+3)2 +

1

(1+3+5+7)

(1+2+3+4)4 + .....

7th term is 16
7th term is 18
sum of first 10 terms is
505
4
sum of first 10 terms is
405
4

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