1.Number of common tangents to x2+y2=4x^2+y^2=4x2+y2=4 and x2+y2−6x−8y=24x^2+y^2-6x-8y=24x2+y2−6x−8y=24a.000b.111c.333d.444Login to continueOnly logged in users canattempt or see the solution.