AP and TS EAMCET Engineering Model Paper 8

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Question : 51 of 160

Marks: +1, -0

Let f (x) =

x+x2+....+xn−n

x−1

, x ≠ 1 the value of f (1) so that f is continuous is

n
n+1
2
n(n+1)
2
n(n−1)
2

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