1
IIT-JEE 2003 Screening
MCQ (Single Correct Answer)
+2
-0.5
In $$\left[ {0,1} \right]$$ Languages Mean Value theorem is NOT applicable to
A
$$f\left( x \right) = \left\{ {\matrix{ {{1 \over 2} - x} & {x < {1 \over 2}} \cr {{{\left( {{1 \over 2} - x} \right)}^2}} & {x \ge {1 \over 2}} \cr } } \right.$$
B
$$f\left( x \right) = \left\{ {\matrix{ {\sin x,} & {x \ne 0} \cr {1,} & {x = 0} \cr } } \right.$$
C
$$f\left( x \right) = x\left| x \right|$$
D
$$f\left( x \right) = \left| x \right|$$
2
IIT-JEE 2003 Screening
MCQ (Single Correct Answer)
+2
-0.5
Tangent is drawn to ellipse
$${{{x^2}} \over {27}} + {y^2} = 1\,\,\,at\,\left( {3\sqrt 3 \cos \theta ,\sin \theta } \right)\left( {where\,\,\theta \in \left( {0,\pi /2} \right)} \right)$$.

Then the value of $$\theta $$ such that sum of intercepts on axes made by this tangent is minimum, is

A
$$\pi /3$$
B
$$\pi /6$$
C
$$\pi /8$$
D
$$\pi /4$$
3
IIT-JEE 2003 Screening
MCQ (Single Correct Answer)
+3
-0.75
If $$l\left( {m,n} \right) = \int\limits_0^1 {{t^m}{{\left( {1 + t} \right)}^n}dt,} $$ then the expression for $$l(m, n)$$ in terms of $$l(m+n, n-1)$$ is
A
$${{{2^n}} \over {m + 1}} - {n \over {m + 1}}l\left( {m + 1,n - 1} \right)$$
B
$${n \over {m + 1}}l\left( {m + 1,n - 1} \right)$$
C
$${{{2^n}} \over {m + 1}} + {n \over {m + 1}}l\left( {m + 1,n - 1} \right)$$
D
$${m \over {n + 1}}l\left( {m + 1,n - 1} \right)$$
4
IIT-JEE 2003 Screening
MCQ (Single Correct Answer)
+3
-0.75
The area bounded by the curves $$y = \sqrt x ,2y + 3 = x$$ and
$$x$$-axis in the 1st quadrant is
A
$$9$$
B
$$27/4$$
C
$$36$$
D
$$18$$
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