What is the special property of red-black trees and what root should a – McqOptions

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1.	What is the special property of red-black trees and what root should always be?
A.	a color which is either red or black and root should always be black color only
B.	height of the tree
C.	pointer to next node
D.	a color which is either green or black
Answer» B. height of the tree

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