Find All Solutions Of $\left( x ^ { 2 } + 9 \right) ^ { 3 / 2 } = 125$

question 7

Multiple Choice

Find all solutions of $\left( x ^ { 2 } + 9 \right) ^ { 3 / 2 } = 125$ .

• A) \(x = \pm 4\)
• B) \(x = \sqrt [ 3 ] { 9 }\)
• C) \(x = - 4\)
• D) \(x = 5\)
• E) \(x = \pm \sqrt [ 3 ] { 9 }\)

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