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L is the foot of the perpendicular drawn from a point P (3, 4, 5) on the xy-plane. The coordinates of point L are

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L is the foot of the perpendicular drawn from a point P (3, 4, 5) on the xy-plane. The coordinates of point L are

(A) (3, 0, 0) 

(B) (0, 4, 5) 

(C) (3, 0, 5) 

(D) none of these

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Answer is (D) none of these

We know that on the xy-plane, z = 0.

Hence, the coordinates of the points L are (3,4, 0).

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