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Question

Answer 1

1)

Find .

The function is .

As tends to , the first and second terms are negative and third term is large positive in the function.

Hence, approaches to large positive number.

.

Solution:

.

Answer 2

(2)

Find .

The function is .

As tends to , the first and second terms are positive and third term is a large positive in the function.

Hence, approaches to large negative number.

.

Solution:

.