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-- Mathematics - Section A
Definite Integration
The value of $\int_0^{1000}e^{x-[x]}dx$ is ([.] denotes the greatest integer function):
1000e
1000(e - 1)
1001(e - 1)
None of these
$I=\int\limits_0^{1000}e^{\{x\}}dx=1000\int\limits_0^{1}e^{\{x\}}dx=1000(e-1)$