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a circlewith its center at focus of the parabola y2=8x and touching its directrix intersects the parabola at points A,B . then lengthAB is equal to?

nagendrathati , 5 Years ago
Grade 12
anser 2 Answers
Arun

Last Activity: 5 Years ago

Dear student
 
Centre of circle is (2,0)
While directrix of parabola is:
x + 2 = 0
Hence this line is a tangent to circle
 
Hnec equation of circle 
(x -2)² + y² = 4² 
Now solve circle amd parabola

Saurabh Koranglekar

Last Activity: 5 Years ago

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