X^2 + 2x + y^2 - 4y - 9 = 0 The equation of a circle in the -plane is shown above

MATHEMATICS · Subjective · CBSE · Mathematics · Conic Sections · Conic Sections

Problem

x2+2x+y2−4y−9=0x^2 + 2x + y^2 - 4y - 9 = 0 The equation of a circle in the xyxy-plane is shown above. If the area of the circle is kπk\pi, what is the value of kk?

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