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Engineering Mathematics Miscellaneous

Engineering Mathematics

  1. The value of the following definite integral is _____ (round off to there decimal places).
    e1(xInx)dx
    1. 2.15
    2. 3.12
    3. 2.097
    4. 2.01
Correct Option: C

I = e1x In xdx

=
In x²
- ∫
1
×
dx
2x2

=
x² In x
-
e
214

=
-
+
1
244

=
e² + 1
= 2.097
4



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