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5. What are the possible rational roots of 4r^3 - 5r+6? * O , , A. {1,2,3,6,1/2, 3/2, 1/4, 3/4} O 1/2} B. {1,2,3,4,6,1/2, 3/2, 1/4, 3/4} O 1/2) C.{1,2,3,6,1/2, 3/2, 1/4, 3/4) O D. {1,2,3,4,6, 1/2, 3/2, 1/4, 3/4) , ,



need rn pls​