Consider the equation of a sphere
x² + y² + z² – 4x – 6y – 8z – 16 = 0.
Which of the following statements is/are correct?
1. z-axis is tangent to the sphere.
2. The centre of the sphere lies on the plane x + y + z – 9 = 0.
Mathematics
2022
NDA Mathematics 2022
NDA 2022
Options
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