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Grade: 11

                        

For how many values of p, the circle x^2 + y^2 + 2x + 4y - p=0 and the coordinate axes have exactly three common points?

3 years ago

Answers : (2)

Saurabh Koranglekar
askIITians Faculty
8407 Points
							576-1640_1.PNG
						
6 months ago
Arun
24742 Points
							
x2+y2+2x+4yp=0Case(I)(0)2+(0)2+0+0p=0Case(II)g2c=0f2c>01(p)=0p=14(p)>0p>4Case(III)f2c=04(p)=0p=4g2c>01(p)>0p>1
 Total 2 values of p, the circle and the co-ordinate have 3 common point.
6 months ago
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