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TN XII Math
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Objective type Questions and Answers
The area bounded by the line $y=x,$ the $x$-axis,the ordinates $x=1,x=2$ is
\[\begin{array}{1 1}(1)\frac{3}{2}&(2)\frac{5}{2}\\(3)\frac{1}{2}&(4)\frac{7}{2}\end{array}\]
tnstate
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p236
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q67
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asked
May 22, 2013
by
poojasapani_1
edited
May 21, 2014
by
meena.p
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1 Answer
$Area =\int \limits _1^2 y dx$
$\qquad= \int x dx = \large \frac{x^2}{2} \bigg]_1^2$
$\qquad= \large\frac{1}{2}$$ [2^2-1^2]$
$\qquad= \large\frac{1}{2} $$[4-1]$
$\qquad= \large\frac{3}{2}$
Hence 1 is the correct answer.
answered
May 21, 2014
by
meena.p
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