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find the center and radius for 3x^2 +3y^2 + 3z^2 +x +y +z = 25

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asked Mar 3, 2017 in CALCULUS by anonymous

1 Answer

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Step 1:

The equation is image

The standard form of the sphere equation

image

Modify the equation into standard form of the sphere equation.

image

Find Center.

Compare the both equations.

image

Step 2:

Find Radius.

image

Solution:

image

answered Mar 3, 2017 by Anney Mentor

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