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Question
Direction: Consider the following for the items that follow:
Let 2x² + 2y² + 2z2 + 3x + 3y + 3z-6 = 0 be a sphere.
The centre of the sphere lies on the plane
निर्देशः निम्नलिखित प्रश्नों के लिए निम्नलिखित को ध्यान में रखें:
माना 2x2  + 2y2  + 22  + 3x + 3y + 3z - 6 = 0 एक गोला है।
गोले का केंद्र किस समतल पर स्थित है?
A.
2x + 2y + 2z - 3 = 0
B.
4x + 4y + 4z - 3 = 0
C.
4x + 8y + 8z - 15 = 0
D.
4x + 8y + 8z + 15 = 0
Answer ( Option D)

4x + 8y + 8z + 15 = 0

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