DESCRIBE THE SOLID. x^2+y^2+z^2>-4x + 6y -8z -13
Also can you explain how to do this for similar problems maybe < and everything else. thank you
Also can you explain how to do this for similar problems maybe < and everything else. thank you
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x^2+y^2+z^2 + 4x - 6y + 8z + 13
= (x+2)^2 + (y-3)^2 + (z+4)^2 - 16 > 0
Therefore it is the exterior of sphere of radius 4 centered at (-2,3,-4).
= (x+2)^2 + (y-3)^2 + (z+4)^2 - 16 > 0
Therefore it is the exterior of sphere of radius 4 centered at (-2,3,-4).