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Portable Network Graphic  |  1991-11-18  |  1.9 KB  |  267x118  |  1-bit (2 colors)
   ocr: ax2+ - - - bx - +C=0 x= - =- -b+vb2- 2a - - 4ac ifa,b,care - - real and ifD=b2-4ac is the iiscrmmmant then the roots are. 1) real and unequal - ifD>0 - (ii) real and equalifD=0 111) complex conjugate ifD<0 ifx,X2 are the roots, then X,+x, - - - à - - =Dand - - XX2 -