offixialfide3054 offixialfide3054 29-11-2022 Mathematics contestada Find all rational roots of the following cubic equations: a) 2x3-5x2-2x+15=0 b) 32x3-6x-1=0 c) 6x3-x2-4x-1=0 d) x3-7x2+20x-24=0 e) x3-2x2+7x+2=0