set of values of m for which a chord of slope m of the circle `x^2 + y^2 = 4` touches parabola `y^2= 4x`, may lie in intervel

Set of value of m for which a chord of slope m of the circle x^2+y^2=4 touches parabola y^2=4x is (A) (-oo , -sqrt((sqrt2 -1)/2)] uu [sqrt((sqrt2 -1)/2) , oo) (B) (-oo , -1) uu (1, oo ) (C) (-1,1) (D) (-oo , oo)

Set of value of m for which a chord of slope m of the circle x^(2)+y^(2)=4 touches parabola y^(2)=4x is (A)(-oo,-sqrt((sqrt(2)-1)/(2))]uu[sqrt((sqrt(2)-1)/(2)),oo)(B)(-oo,-1)uu(1,oo)(C)(-1,1)(D)(-oo,oo)

If the circle x^(2)+y^(2)+2ax=0, a in R touches the parabola y^(2)=4x , them

If the circle x^(2)+y^(2)+2ax=0, a in R touches the parabola y^(2)=4x , them

If a normal of slope m to the parabola y^2 = 4 a x touches the hyperbola x^2 - y^2 = a^2 , then

The slope of the line touching both the parabolas y^2=4x and x^2=−32y is

The slope of the line touching both the parabolas y^2=4x and x^2=−32y is

The slope of the line touching both the parabolas y^2=4x and x^2=−32y is

If a normal of slope m to the parabola y^(2)=4ax touches the hyperbola x^(2)-y^(2)=a^(2), then

The values of 'm' for which a line with slope m is common tangent to the hyperbola x^2/a^2-y^2/b^2=1 and parabola y^2 = 4ax can lie in interval: