3-d

Question: The shortest distance of the point (a, b, c) from the x-axis is

1) $\sqrt{({{a}^{2}}+{{b}^{2}})}$

2) $\sqrt{({{b}^{2}}+{{c}^{2}})}$

3) $\sqrt{({{c}^{2}}+{{a}^{2}})}$

4) $\sqrt{({{a}^{2}}+{{b}^{2}}+{{c}^{2}})}$

Solution:

Explanation: No Explanation

System of co-ordinates Direction cosines and direction ratios Projection

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