Find the Limit $$\lim _ { x \rightarrow \infty } \left( \sqrt { 7 x ^ { 2 } + 3 } - \sqrt { 7 x ^ { 2 } - 3 } \right)$$

question 248

Multiple Choice

Find the limit.
- $$\lim _ { x \rightarrow \infty } \left( \sqrt { 7 x ^ { 2 } + 3 } - \sqrt { 7 x ^ { 2 } - 3 } \right)$$

• A) \(\frac { 1 } { 2 \sqrt { 7 } }\)
• B) \(\infty\)
• C) 0
• D) \(\sqrt { 7 }\)

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