1.

Which of the following intergrals is unbounded?

A. <table><tr><td rowspan="2"><img src="http://images.interviewmania.com/wp-content/uploads/2019/10/as-261.jpg"> </td><td rowspan="2">tanx dx</td></tr></table>
B. <table><tr><td rowspan="2"><img src="http://images.interviewmania.com/wp-content/uploads/2019/10/as-262.jpg"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">dx</td></tr><tr><td style="text-align: center;">x<sup>2</sup> + 1</td></tr></table>
C. <table><tr><td rowspan="2"><img src="http://images.interviewmania.com/wp-content/uploads/2019/10/as-262.jpg"> </td><td rowspan="2">xe<sup>-x</sup> dx</td></tr></table>
D. <table><tr><td rowspan="2"><img src="http://images.interviewmania.com/wp-content/uploads/2019/10/as-263.jpg"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">dx</td></tr><tr><td style="text-align: center;">1 - x</td></tr></table>
Answer» E.


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