#1187 · Complex Numbers · Arithmetic of ℂ

Square Root of Complex Number

Find the square root of $-5 + 12
ot{i} ext{ (where } i = rac{}{} ext{ extminus}1 ext{)}$.

~5 minAnswer checked instantlysquare root of complex numberimaginary numbers

H. S. Hall & S. R. Knight, Higher Algebra (1891) · Ch. VIII. Surds and Imaginary Quantities, Examples VIII.b, No. 13

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Checked against the answer in H. S. Hall & S. R. Knight, Higher Algebra (1891).