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The straight line 3x-4y +7=0 is a tangent to the circle x^2 + y^2+ 4x + 2y + 4 = 0 at p ; find the equation of its normalat the same point. |
| Answer» The straight line 3x-4y +7=0 is a tangent to the circle x^2 + y^2+ 4x + 2y + 4 = 0 at p ; find the equation of its normalat the same point. | |