Question

evaluate the following limits at the given points .
(1): √t²-1-√t²+9 ;t=∞

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Answer 1

Step-by-step explanation:

substitute 0 into t

$= \sqrt{ {0}^{2} } - 1 - \sqrt{ {0}^{2} } + 9 \\ = - 1 + 9 = 8$