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Find the equation of the circle with centre : `(-2, 3)`and radius 4 |
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Answer» Centre `-=` (-2,3) and radius = 4 units. `:.` Equation of circle, `(x-h)^(2)+(y-k)^(2)=r^(2)` `rArr" "(x-2)^(2)+(y-3)^(2)=4^(2)` `rArr" "x^(2)+4x+4=y^(2)-6y+9=16` `rArr" "x^(2)+y^(2)-4x-6y-3=0` |
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