If the line `3x+4y=k` is tangent to the circle `x^2+y^2-2x-4y+4=0` , then number of integral values of k is

If y=3x+c is a tangent to the circle x^(2)+y^(2)-2x-4y-5=0, then c is equal to :

If the line 3x-2y+p = 0 is normal to the circle x^(2)+ y^(2) = 2x-4y ,then p will be

If the line 3x-4y-k=0 touches the circle x^(2)+y^(2)-4x-8y-5=0 at (a,b), then the positive integral value of (k+a+b)/(5)=

A line L is perpendicular to the line 3x-4y-7=0 and touches the circle x^(2)+y^(2)-2x-4y-4=0 , the y -intercept of the line L can be:

Line L=3x+4y+c=0 has two distinct points A and B from which pair of perpendicular tangents are drawnto the circle x^(2)+y^(2)+2x+2y=0, then total number of possible integral values of ' 'c' is

If y=2x+k is a tangent to the curve x^(2)=4y , then k is equal to

If tangents are drawn from origin to the circle x^(2)+y^(2)-2x-4y+4=0, then

" If "x+y+7=0" is a tangent to the circle "x^(2)+y^(2)-4x-6y+k=0" then the point of contact is "

If the line y=3x+k is tangent to the parabola y^2=4x then the value of K is