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5/(1^2*4^2)+11/(4^2*7^2)+17/(7^2*1 0^2)+...

`5/(1^2*4^2)+11/(4^2*7^2)+17/(7^2*1 0^2)+`

A

`(1)/(2)`

B

`(1)/(3)`

C

2

D

3

Text Solution

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The correct Answer is:
B
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(5)/(1^(2)*4^(2))+(11)/(4^(2)*7^(2))+(17)/(7^(2)*10^(2))+

The value of 3/(1^2. 2^2)+5/(2^2. 3^2)+7/(3^2. 4^2)+9/(4^2. 5^2)+(11)/(5^2. 6^2)+(13)/(6^2. 7^2)+(15)/(7^2. 8^2)+(17)/(8^2. 9^2)+(19)/(9^2. 10^2) is 1/(100) (b) (99)/(100) (c) 1 (d) (101)/(100)

Simplify : (i) 2^(2/3). 2^(1/5) (ii) (1/(3^3))^7 (iii) (11^(1/2))/(11^(1/4)) (iv) 7^(1/2). 8^(1/2)

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