Recent content by Armela

  1. A

    MHB Equation of a line tangent to a circle

    The circle x^2 +y^2 -4x+2y+m=0 is tangent with the line y=x+1.Find m. p.s : I know that o should solve it from the equations of two lines but i really get confused when i [FONT=sans-serif] substitute the y :/ . Thanx :)
    • Armela
    • Thread
    • Circle Line Tangent
    • Replies: 3
    • Forum: Calculus