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Through the point P(alpha, beta), where ...

Through the point P(`alpha, beta`), where `alpha beta gt 0`, the straight line `x/a+y/b=1` is drawn so as to form with axes a triangle of area S. If `ab gt 0`, then least value of S is

A

`alpha beta`

B

`2alpha beta`

C

`3alpha beta`

D

None of these

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The correct Answer is:
B
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