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Mathematics
Dayana Faulkner
24 May, 00:43
Simplify this imaginary number; sqr - 8?
+1
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Vanessa Farrell
24 May, 02:57
0
Remember
i=√-1
i²=-1
√ (ab) = (√a) (√8)
so
√-8 = (√-1) (√8) = (i) (√2*2*2) = i (2√2) = 2i√2
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