Show that 
does not exist.
To find 
To limit to exist, we know 
…….(1)
Thus, to find the limit using the concept 
……(2)
……..(3)
……(4)
From above equations
Thus, limit does not exist.
3
Show that does not exist.
To find
To limit to exist, we know …….(1)
Thus, to find the limit using the concept ……(2)
……..(3)
……(4)
From above equations
Thus, limit does not exist.