WBJEE 2023 Math Solved Paper

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Question : 8 of 75

Marks: +1, -0

the expression ‌

n

∫

0

[x]‌dx

n}‌x}‌dx

∫

0

, where [x] and {x} are respectively integral and fractional part of x and n∈N, is equal to

‌
1
n−1
‌
1
n
n
n−1

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