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A triangular park is enclosed on two sid...

A triangular park is enclosed on two sides by a fence and on the third side of straight river bank. The two sides having fence of same length `x`. The maximum area enclosed by the park is

A

`sqrt(x^(3)/8)`

B

`1/2 x^(2)`

C

`pix^(2)`

D

`3/2 x^(2)`

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The correct Answer is:
B
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