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| 1. |
Simplify :4√(-4) + 5√(-9) – 3√(-16) |
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Answer» \(4\sqrt{-4}+5\sqrt{-9}-3\sqrt{-16}\) = \(4\sqrt{4\times-1}+5\sqrt{9\times-1}-3\sqrt{16\times-1}\) = 4(2i) + 5(3i) - 3(4i) = 8i + 15i - 12i = 11i |
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