The line ax+by+c=0 is normal to the circle `x^(2)+y^(2)+2gy+2fy+d=0,`if

The line ax+by+by+c=0 is normal to the circle x^(2)+y^(2)+2gx+2fy+d=0, if

The line ax +by+c=0 is an normal to the circle x^(2)+y^(2)=r^(2) . The portion of the line ax +by +c=0 intercepted by this circle is of length

The line ax +by+c=0 is an normal to the circle x^(2)+y^(2)=r^(2) . The portion of the line ax +by +c=0 intercepted by this circle is of length

The line ax +by+c=0 is an normal to the circle x^(2)+y^(2)=r^(2) . The portion of the line ax +by +c=0 intercepted by this circle is of length

Find the coodition that the straight line lx+my+n=0 is a normal to the circle x^(2)+y^(2)+2gx+2fy+c=0

Find the condition for the line Ix+my+ n = 0 is a normal to the circle x^2 + y^2 + 2gx + 2fy + c = 0 .

The range of values of alpha for which the line 2y=gx+alpha is a normal to the circle x^(2)=y^(2)+2gx+2gy-2=0 for all values of g is (a)[1,oo)(b)[-1,oo)(c)(0,1)(d)(-oo,1]

If the line ax+by=2 is a normal to the circle x^(2)+y^(2)-4x-4y=0 and a tangent to the circle x^(2)+y^(2)=1, then a and bare

The range of values of alpha for which the line 2y=gx+alpha is a normal to the circle x^2=y^2+2gx+2gy-2=0 for all values of g is