Write the Expression in Radical Form $( 7 x + 2 ) ^ { 2 / 7 }$

question 268

Multiple Choice

Write the expression in radical form. Assume that all variables represent positive real numbers.
- $( 7 x + 2 ) ^ { 2 / 7 }$

• A) \(\sqrt [ 7 ] { 7 x ^ { 2 } + 4 }\)
• B) \(( \sqrt [ 7 ] { ( 7 x + 2 ) } ) ^ { 2 }\)
• C) \(\sqrt [ 7 ] { 49 x ^ { 2 } + 4 }\)
• D) \(( \sqrt [ 2 ] { ( 7 x + 2 ) } ) ^ { 7 }\)

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