JEE Advanced Model Paper 1 with solutions for online practice

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Question : 56 of 60

Marks: +1, -0

If f(x) = x +

x

1+x

+

x

(1+x)2

+ ... to ∞ , then at x = 0 , f(x)

has no limit
is discontinuous
is continuous but not differentiable
is discontinuous and not differentiable

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