Question:medium
If the equation of the sphere through the circle $x^2 + y^2 + z^2 = 5$, $2x + 3y + 4z = 5$ and through the origin is $x^2 + y^2 + z^2 - 2x - 3y - 4z + C = 0$, then the value of $C$ is
If the equation of the sphere through the circle $x^2 + y^2 + z^2 = 5$, $2x + 3y + 4z = 5$ and through the origin is $x^2 + y^2 + z^2 - 2x - 3y - 4z + C = 0$, then the value of $C$ is
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Substitute known points directly to find constants quickly.
Updated On: Apr 30, 2026
- $1$
- $-1$
- $0$
- $5$
- $2$
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The Correct Option is C
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