1
IIT-JEE 1988
True or False
+2
-0
The value of the integral $$\int\limits_0^{2a} {[{{f\left( x \right)} \over {\left\{ {f\left( x \right) + f\left( {2a - x} \right)} \right\}}}]\,dx} $$ is equal to $$a$$.
A
TRUE
B
FALSE
2
IIT-JEE 1988
Subjective
+5
-0
Find the area of the region bounded by the curve $$C:y=$$
$$\tan x,$$ tangent drawn to $$C$$ at $$x = {\pi \over 4}$$ and the $$x$$-axis.
3
IIT-JEE 1988
Fill in the Blanks
+2
-0
In the formula X = 3YZ2, X and Z have dimensions of capacitance and magnetic induction respectively. The dimensions of Y in MKSQ system are _____________
4
IIT-JEE 1988
MCQ (Single Correct Answer)
+1
-0.25
A boat which has a speed of 5 km/hr in still water crosses a river of width 1 km along the shortest possible path in 15 minutes. The velocity of the river water in km/hr is
A
1
B
3
C
4
D
$$\sqrt {41} $$
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