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If the distance of point P from (1, 1, 1) is equal to double the distance of P from the y-axis, then the locus of P is
A. |
`3x^2-y^2+3z^2+2x+2y+2z-3=0` |
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B. |
`3x^2+y^2+3z^2+2x+2y+2z-3=0` |
C. |
`3x^2+3y^2+3z^2+2x+2y+2z-3=0` |
D. |
`3x^2-y^2+3z^2+2x+2y+2z+3=0` |
`AP=2sqrt(z^2+x^2)`