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Three Dimensional Geometry
RS Aggarwal
CBSE
Grade 12

Question:

Reflection of point $(1, 2, 3)$ in x-axis is:
(a) $(1, -2, -3)$
(b) $(-1, 2, 3)$
(c) $(-1, -2, -3)$
(d) $(1, 2, -3)$

Step-by-Step Solution

Key Concept: x stays same, y and z flip signs.
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Correct Answer: $(1, -2, -3)$
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