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Find the length of the tangent drawn from the point (-2,-3) to the circle 2x^2+2y^2-2x-4y-1=0

Find the length of the tangent drawn from the point (-2,-3) to the circle 2x^2+2y^2-2x-4y-1=0

Grade:10

1 Answers

Harsh Patodia IIT Roorkee
askIITians Faculty 907 Points
3 years ago
Here you can solve length of tangent by using (underoots of put the point in equation of circle)
=(2(-2)2+2(-3)2-2(-2)-4(-3)-1)1/2
=411/2

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