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Line PQ is parallel to y - axis and mome...

Line PQ is parallel to y - axis and moment of inertia of a rigid body about PQ line is given by `I=2x^(2)-12x+27,` where x is in meter and I is in `"kg m"^(3)`. The minimum value of I is :

A

`"27 kg m"^(2)`

B

`"11 kg m"^(2)`

C

`"17 kg m"^(2)`

D

`"9 kg m"^(2)`

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The correct Answer is:
D
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