Question

$\sqrt{ - 4}$
square root of-4​

Answer 1

Step-by-step explanation:

✔Your answer is √-4=√4×√-1=2i(iota)

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Answer 2

Answer:

hope it help you amigo

principal square root of 4 is 2 which is denoted by √4 = 2, because 22 = 2 • 2 = 4 and 2 is nonnegative