Find the Zeros of the Function Below Algebraically, If Any $$f ( x ) = x ^ { 4 } + 8 x ^ { 2 } + 15$$

question 86

Multiple Choice

Find the zeros of the function below algebraically, if any exist.
$$f ( x ) = x ^ { 4 } + 8 x ^ { 2 } + 15$$

• A) \(- \sqrt { 5 } , - \sqrt { 3 } , \sqrt { 3 }\), and \(\sqrt { 5 }\)
• B) \(- \sqrt { 3 } , 0\), and \(\sqrt { 3 }\)
• C) \(- \sqrt { 3 }\) and \(\sqrt { 3 }\)
• D) \(- \sqrt { 5 }\) and \(\sqrt { 5 }\)
• E) No zeros exist.

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