The power of the point $(0, 0)$ with respect to the circle $x^{2} + y^{2} + 2 x + 4 y + 25 = 0$ is

25

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24

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36

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Solution

The correct option is A $25$
For the power of point with respect to a circle substitute the point in the circle.
i.e., for power of $(0, 0)$ with respect to circle $x^{2} + y^{2} + 2 x + 4 y + 25 = 0$
Substitute $(0, 0)$
Power $= 0^{2} + 0^{2} + 2 (0) + 4 (0) + 25 = 25$ .

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The power of the point (0,0) with respect to the circle x2+y2+2x+4y+25=0 is

The correct option is A 25For the power of point with respect to a circle substitute the point in the circle.i.e., for power of (0,0) with respect to circle x2+y2+2x+4y+25=0Substitute (0,0)Power =02+02+2(0)+4(0)+25=25.

The power of the point $(0, 0)$ with respect to the circle $x^{2} + y^{2} + 2 x + 4 y + 25 = 0$ is

The correct option is A $25$
For the power of point with respect to a circle substitute the point in the circle.
i.e., for power of $(0, 0)$ with respect to circle $x^{2} + y^{2} + 2 x + 4 y + 25 = 0$
Substitute $(0, 0)$
Power $= 0^{2} + 0^{2} + 2 (0) + 4 (0) + 25 = 25$ .