UPSC NDA II 2018 Mathematics Solved Paper

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Question : 81 of 120

Marks: +1, -0

What is

b

∫

a

[x]dx+

b

∫

a

[−x]dx equal to, where [.] is the greatest integer function?

[NDA II 2018]

b–a
a–b
0
2(b – a)

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