1 Answers
\(4\sqrt{-4}+5\sqrt{-9}-3\sqrt{-16}\)
= \(4\sqrt{4\times-1}+5\sqrt{9\times-1}-3\sqrt{16\times-1}\)
= 4(2i) + 5(3i) - 3(4i)
= 8i + 15i - 12i
= 11i
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Answered
\(4\sqrt{-4}+5\sqrt{-9}-3\sqrt{-16}\)
= \(4\sqrt{4\times-1}+5\sqrt{9\times-1}-3\sqrt{16\times-1}\)
= 4(2i) + 5(3i) - 3(4i)
= 8i + 15i - 12i
= 11i