UPSC NDA I 2010 Mathematics Paper

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Question : 9 of 120

Marks: +1, -0

The function f(x)=x‌cosec‌x is

continuous for all values of x
discontinuous everywhere
continuous for all x except at x=nπ, where n is an integer.
discontinuous for all x except at x=nπ∕2, where n is an integer.

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