WOLFRAM|DEMONSTRATIONS PROJECT

Limits of a Rational Function of Two Variables

p

1

q

1

m

2

n

2

r

1

a

1

b

1

k

1

What is the behavior of

z=

p

x

q

y



r

(

m

x

+

n

y

)

for positive

x

and

y

near

0

, where

p

,

q

,

m

,

n

, and

r

are positive? This Demonstration allows you to investigate.