Consider the following function with two real variables on its definition set .

Question

Consider the following function with two real variables    on its definition set   .

Accepted Answer

the limit of    as    tends to    is 0.

Answer

cannot be extended by continuity at   .

Answer

the limit of    as    tends to    is 1.

Answer

is not continuous at   .

Answer

.

Answer

the limit of    as    tends to    is   .

Answer

is not continuous at   .

Answer

the limit of    as    tends to    is -1.

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