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Grade 1010 grade maths

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

Profile image of Sreeja
9 Years agoGrade 10
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1 Answer

Profile image of Harsh Patodia
8 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