Multiple Choice
Which of the following statements hold for
A) is continuous, and the partial derivatives
and
exist everywhere.
B) is continuous, but the partial derivatives
and
do not exist at the origin.
C) is continuous and
exists everywhere, but
does not exist at the origin.
D) and
do not exist at points
and
.
E) is not continuous at the origin.
Correct Answer:

Verified
Correct Answer:
Verified
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