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The value of 1/(sqrt(10) - sqrt(9)) - 1/...

The value of `1/(sqrt(10) - sqrt(9)) - 1/(sqrt(11) - sqrt(10)) + 1/(sqrt(12) - sqrt(11))` - .... - `1/(sqrt(121) - sqrt(120))` is equal to

A

a. `-10`

B

b. 11

C

c. 14

D

d. -8

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The correct Answer is:
D
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