: ( 4 + 3 \sqrt { - 20 } ) ^ { \frac { 1 } { 2 } } + ( 4 - 3 \sqrt { - – InterviewSolution

1.	: ( 4 + 3 \sqrt { - 20 } ) ^ { \frac { 1 } { 2 } } + ( 4 - 3 \sqrt { - 20 } ) ^ { \frac { 1 } { 2 } }
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