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Select the correct answer. What is the value of this limit?

A. 7
B. 5
C. 3
D. 10
E. 9

Select the correct answer. What is the value of this limit? A. 7 B. 5 C. 3 D. 10 E-example-1

1 Answer

6 votes

Answer:

The Value of Given Limit is option E) 9


\lim_(x \to 3)(\sqrt{(x^(2)+7)} + 5) =9

Explanation:

Given:


\lim_(x \to 3)(\sqrt{(x^(2)+7)} + 5)

To Find:


\lim_(x \to 3)(\sqrt{(x^(2)+7)} + 5) = ?

Solution:

x → 3 Implies that x is approaching to 3 not equal to 3

For taking Limit out we need to put x = 3


L = \lim_(x \to 3)(\sqrt{(x^(2)+7)} + 5) \\\\= \lim_(x \to 3)\sqrt{(x^(2)+7) } +\lim_(x \to 3)5\\\\=\sqrt{(3^(2) +7)} + 5\\\\=√(16) +5\\\\=4+5\\\\\therefore L =9

∴ L = 9

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