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Question

Area of the region bounded by the curve xy – 3x – 2y – 10 = 0, x – axis, line x = 3 and x = 4

A
3+16loge2
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B
16loge23
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C
4loge33
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D
5loge21
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Solution

The correct option is A 3+16loge2


y=10+3xx2,x2
As x2+,yx2,y
Also ltxy=ltx10x+312x=3
Area = 4310+3xx2dx=4310x2dx+343x2+2x2dx=log|x2|43+3{x+2log|x2|}43
=10loge2+3+6loge2

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