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TopNewestWhat have you tried? Where are you stuck?

How would you get on this problem? What do you want to find?

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When I tried to solve the equation of the sphere with the equation of the plane simultaneously I can't

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Can you write out the equations? Can you explain the difficulty that you have with solving them?

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I tried to find the normal distance between the point and the plane and then I drew a sphere it's center is the point (1,2,3) and it's radius is the normal distance then I tried to find the point of tangency between the sphere and the plane but I can't

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Those steps sound like they can lead you to find the reflected point.

When you said "I can't", which step were you referring to?

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