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Introduction to complex numbers 5VV

Use the imaginary number i to rewrite the expression below as a complex number. Simplify
all radicals.
√√-4
i
N

Introduction to complex numbers 5VV Use the imaginary number i to rewrite the expression-example-1
User C Deepak
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Explanation:

sqrt(-4) = sqrt(4×-1) = sqrt(4)×sqrt(-1) = 2i

User Earlene
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