The function is .
Graph the function:
\Observe the graph:
\As tends to
from the right hand side, the function approaches to
.
.
The function is .
Factorize the denominator.
\Cancel the common terms.
\When we approaches from the right ,
is a small positive number .
Thus , the quotient is a large positive number and
approaches infinity from the right
.
.
increases without bound as
approaches
from the right.
We can verify the limit by the below table .
\![]() | \
![]() | \
![]() | \
![]() | \
![]() | \
![]() | \
![]() | \
![]() | \
![]() | \
![]() | \
A limit in which increases or decreases without bound as
approaches
is called an infinite limit.
As tends to
from the right hand side, then the limit approaches to
.
.
.