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Let the rth term `t_(r)` of a series is given by `t_(r)=r/(1+r^(2)+r^(4))`, the value of `lim_(ntooo)sum_(r=1)^(n)t_(r)` is

A

2

B

`1/2`

C

`1`

D

`1/4`

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The correct Answer is:
B
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ARIHANT MATHS-LIMITS-Exercise (Single Option Correct Type Questions)
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  10. If f(x)={((sin[x])/([x]), [x]!=0),(0,[x]=0):} where [.] denotes the ...

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  12. Let the rth term t(r) of a series is given by t(r)=r/(1+r^(2)+r^(4)),...

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  13. The value of lim(ntooo)sum(r=1)^(n)cot^(-1)((r^(3)-r+1/r)/2) is

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  19. Evaluate: ("lim")(nvec0)(cos^2(1-cos^2(1-cos^2(cos^2(theta)))))/(s in(...

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