Q. The area bounded by $x = 1,\ x = 2,\ xy = 1$ and $x$-axis is
A) $(\log 2)$ sq unit
B) 2 sq unit
C) 1 sq unit
D) None of these
Explanation
(a)
Required area $= \int_{1}^{2}{\frac{1}{x}dx}$
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$= \left\lbrack \log|x| \right\rbrack_{1}^{2} = \log 2$ sq unit
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.