Ratio in which the zx-plane divides the join of (1, 2 3) and (4, 2, 1)

1.	Ratio in which the zx-plane divides the join of (1, 2 3) and (4, 2, 1).
A.	1:1 internally
B.	1:1 externally
C.	2:1 internally
D.	2: 1 externally
Answer» C. 2:1 internally

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Ratio in which the zx-plane divides the join of (1, 2 3) and (4, 2, 1).

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