3.Explain what's wrong with the following solution and provide a correct solution to the question.

Question.

Findlimx x26 x+ 6.

Wrong Solution.Use the idea of higher power domination to conclude limx x26 x+ 6=limx x2 x=limx x x= 1.

4. Explain what's wrong with the following solution, and provide a correct solution to the question.

Question:

Find limx (x2 + 1 + x ) . Wrong Solution: limx (x2 + 1 + x ) = + = . 1