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19 votes
19 votes
Simplify the expression to a + bi form


- √(4 ) + √( - 48) + √(121) - √( - 108)


User Horatius
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1 Answer

21 votes
21 votes

-√4 + √(-48) + √121 + √(-108)

= -√(2²) + √(-1 • 3 • 4²) + √(11²) + √(-1 • 2² • 3³)

= -2 + 4√3 i + 11 + 6√3 i

= 9 + 10√3 i

User Scottrudy
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