[" Radial vascular bundle,exarch xylem,"],[" large pith,passage cell.How many of "],[" the above items are for a old dicot "],[" root? "],[0.2],[0],[0]

Consider the following statement (A) In a dicot root, the vascular bundles are collateral and endarch (B) The inner most layer of cortex in a dicot root is endodermis (C) In a dicot root, the phloem masses are separated from the xylem by parenchymatous cells that are known as the conjunctive tissue Of these statement given above

How many roots of the equation 3x^(4)+6x^(3)+x^(2)+6x+3=0 are real ?