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प्रश्न
The distance of a point P(a, b, c) from x-axis is ______.
विकल्प
`sqrt("a"^2 + "c"^2)`
`sqrt("a"^2 + "b"^2)`
`sqrt("b"^2 + "c"^2)`
b2 + c2
MCQ
रिक्त स्थान भरें
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उत्तर
The distance of a point P(a, b, c) from x-axis is `sqrt("a"^2 + "b"^2)`.
Explanation:
The required distance is the distance of P(a, b, c) from Q(a, o, o), which is `sqrt("b"^2 + "c"^2)`.
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