The equation of the tangent to the parabola y2=4x inclined at an angle π4 to the positive direction of x – axis is
x + y 4 = 0
x – y + 4 = 0
x – y – 1 = 0
x – y + 1 = 0
m=1,y=mx+am
Equation of the common tangent to the parabola y2=24x and the circle x2+y2=18 is