Locus of the point, the sum of the square of whose distance from the planes x + y + z = 0 ,x - z = 0 and x - 2

### Question Asked by a Student from EXXAMM.com Team

Q 2167178985.     Locus of the point, the sum of the square of whose distance

from the planes x + y + z = 0 ,x - z = 0 and

x - 2y + z = 0 is 9 is .............. .
A

x^2 + y^2 - z^2 = 9

B

x^2 - y^2 + z^2 =- 9

C

x^2 - y^2 + z^2 = 9

D

x^2 + y^2 + z^2 = 9`

#### HINT

(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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