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KVPY SX SB Exam 2013 Question Paper

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Question : 12

Total: 120

For real x with −10≤x≤10 define f(x)=

2[t]dt, where for a real number r we denote by [r] the largest integer less than or equal to r. The number of points of discontinuity of f in the interval (-10,10) is

0
10
18
19

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