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If U(n) = (1)/( n) - (1)/( n + 1) , the...

If `U_(n) = (1)/( n) - (1)/( n + 1) ` , then the value of ` U_(1) + U_(2) + U_(3) + U_(4) + U_(5)` is

A

`(1)/(2)`

B

`(1)/(3)`

C

`(2)/(5)`

D

`(5)/(6)`

Text Solution

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The correct Answer is:
D
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KIRAN PUBLICATION-ALGEBRA-Questions Asked In Previous SSC Exams (Type - II)
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  19. If 4 a - (4)/( a) = 3 then the value of : a^(3) - (1)/( a^(3) ) +...

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  20. If a + b - c = 0 then the value of 2b^(2) c^(2) + 2 c ^(2) a^(2) + ...

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