DeltaABC is formed by A(1,8,4),B(0,-11,4...

`DeltaABC` is formed by `A(1,8,4),B(0,-11,4)andC(2,-3,1)`. If D is the foot
of the perpendicular from A to BC, then the coordinates of D are

A

(a) `(4,5,-2)`

B

(b) `(4,-5,2)`

C

(c) `(-4,5,2)`

D

(d) `(4,-5,-2)`

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The correct Answer is:

A

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