" 1."quad x=2at^(2),y=at^(4)

The area of the triangle formed by two tangents from " (1,1) " to " x^(2)+y^(2)+4x+6y+4=0 " and their chord of contact is :

The shortest distance between the circles (x-1)^(2)+(y+2)^(2)=1 and (x+2)^(2)+(y-2)^(2)=4 is

Draw the region bounded by x^(2)+y^(2)>1 and (x^(2))/(1)+(y^(2))/(4)<=1

Number of points in which the graphs of |y|=x+1 and (x-1)^(2)+y^(2)=4 intersect,is (A) 1

The circles x^(2)+y^(2)-2x-4y+1=0 and x^(2)+y^(2)+4y-1 =0

The shortest distance between the circles (x-1) ^(2) + (y +2) ^(2) =1 and (x + 2) ^(2)+ (y-2) ^(2) = 4 is a)1 b)2 c)3 d)4

The solution of differential equation (1+x^(2))y'+2xy=4x^(2)

The solution of differential equation (1+x^(2))y'+2xy=4x^(2)

The length of the common chord of the circles x^(2)+y^(2)-2x-1=0 and x^(2)+y^(2)+4y-1=0 , is