Answer Posted / ganesh narayanan

advantage : A recursive definition defines an object in simpler cases of itself reducing nested looping complexity

disadvantage : less efficient as compared to the non-recursive counterparts as the overhead involved in entering,re-entering and exiting a block is avoided in case of the non recursive forms. its also possible to identify a number of local variables which need not be saved and restored with the help of stacks and this unwanted stacking activity is avoided in the non-recursive versions.

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