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anand subash Grade:
        

Tangents are drawn from a point on the circle x^2+y^2=11 to the parabola x^2/36 - y^2/25=1 then tangents are at angle?


 


 

6 years ago

Answers : (1)

SAGAR SINGH - IIT DELHI
879 Points
										

Dear student,




The equation for a straight line in the point-slope form is





Substituting for m gives





Clearing fractions, we have





but





Adding equations (3.5) and (3.6) yields





Dividing by y1 gives





which is an equation of a straight line in the slope-intercept form. This is the equation of the tangent line to the parabola




at the point (x1,y1).


 




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6 years ago
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