AP and TS EAMCET Engineering Model Paper 20

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Question : 75 of 160

Marks: +1, -0

If 1=∫ex(1+x2)2‌dx, I2=∫

xex

(1+x2)2

‌dx, I3=∫

x2ex

(1+x2)2

‌dx then I1−2I2+I3=

ex
1+x2
+C
ex
(1+x2)2
+C
2ex
(1+x2)
+C
2ex
(1+x2)2
+C

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