Question

Evaluate limx→43−x+5−−−−√x−4

Answer 1

Answer:

−

6

1

x→4

lim

x−4

3−

5+x

=

x→4

lim

x−4

3−

5+x

×

3+

5+x

3+

5+x

=

x→4

lim

x−4

9−(5+x)

×

3+

5+x

1

=−

x→4

lim

3+

5+x

1

=−

6

1