to fix thiswe must perform left rotationrooted at this is done in the following stepsnotes becomes the new root takes ownership of ' left child as its right childor in this casenull takes ownership of as its left child the tree now looks like thisb / right rotation (rra right rotation is mirror of the left rotation operation described above imagine we have this situationc to fix thiswe will perform single right rotationrooted at this is done in the following stepsb becomes the new root takes ownership of ' right childas its left child in this casethat value is null takes ownership of cas it' right child the resulting treeb / left-right rotation (lror "double leftsometimes single left rotation is not sufficient to balance an unbalanced tree take this situationa perfect it' balanced let' insert 'ba lovely professional university