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Show that the plane 2x-2y+z+12=0 touches...

Show that the plane `2x-2y+z+12=0` touches the sphere `x^2+y^2+z^2-2x-4+2z-3=0.`

A

`(1,-4,2)`

B

(-1,4,-2)

C

`(-1,-4,2)`

D

`(1,4,-2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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