Step 1:
\The function is
The domain of a function is all values of , those makes the function mathematically correct.
The function is defined for all values of
.
The function is defined for all values of
.
As tends to 1 left hand side
As tends to 1 right hand side
Left hand side limit value is equal to right hand limit value.
\The function is continuous for all values of .
The function is continuous for all values of