January 18 - As the band is leaving for London, The Sex Pistols' Sid Vicious is removed unconscious from their plane in New York and rushed to a hospital. Vicious is treated for an overdose of barbituates and alcohol
January 23 - Chicago guitarist and vocalist Terry Kath[?] dies after accidentally shooting himself in the head with a pistol.
April 26 - Ringo Starr's, Ringo, a musical version of The Prince and the Pauper airs on American television. Starr's fellow former BeatleGeorge Harrison provides the narration.
... that the parabola described by the quadratic equation touches the x-axis in a single point.)
If the discriminant is positive, then there are two different solutions x, ...