Distance of the point from Y-axis is :

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Solution

Q.
Distance of the point $(α, β, γ)$ from Y-axis is :

1 $β$

2 $| β |$

3 $| β |$ $+$ $| γ |$

4 $\sqrt{α^{2} + γ^{2}}$

Ans.
(4)

Ans. $\sqrt{α^{2} + γ^{2}}$

Explanation:

Required distance $= \sqrt{{(α - 0)}^{2} + {(β - β)}^{2} + {(γ - 0)}^{2}}$

$= \sqrt{α^{2} + γ^{2}}$

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