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# For Every Point P (X, Y, Z) on the X-axis (Except the Origin), (A) X = 0, Y = 0, Z ≠ 0 (B) X = 0, Z = 0, Y ≠ 0 (C) Y = 0, Z = 0, X ≠ 0 (D) X = Y = Z = 0 - CBSE (Arts) Class 12 - Mathematics

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ConceptDirection Cosines and Direction Ratios of a Line

#### Question

For every point P (xyz) on the x-axis (except the origin),

•  x = 0, y = 0, z ≠ 0

•  x = 0, z = 0, y ≠ 0

• y = 0, z = 0, x ≠ 0

• x = y = z = 0

#### Solution

y=0, z = 0, x  0

Both Y and Z coordinates on each point of the xaxis are equal to zero. The Xcoordinate on the origin is also equal to zero.Therefore, the Y and Z coordinates on each point of the xaxis, except the origin, are equal to zero, while the Xcoord

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Solution For Every Point P (X, Y, Z) on the X-axis (Except the Origin), (A) X = 0, Y = 0, Z ≠ 0 (B) X = 0, Z = 0, Y ≠ 0 (C) Y = 0, Z = 0, X ≠ 0 (D) X = Y = Z = 0 Concept: Direction Cosines and Direction Ratios of a Line.
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