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JEEMAIN-2016
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Q)
A wire of length
2
units is cut into two parts which are bent respectively to form a square of side = x units and a circle of radius = r units. If the sum of the areas of the square and the circle so formed is minimum, then:
(
1
)
2
x
=
(
π
=
4
)
r
(
2
)
(
4
π
)
x
=
π
r
(
3
)
x
=
2
r
(
4
)
2
x
=
r
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