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Which of the following is the correct notation for √-75+63 A. 63+5√3i B. 63+5i√3 C. 5√3+63i D. 5i√3+63
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3 votes
Which of the following is the correct notation for √-75+63

A. 63+5√3i
B. 63+5i√3
C. 5√3+63i
D. 5i√3+63

User Hongyi Li
by
8.4k points

1 Answer

3 votes
√-75 can be expressed as √(-1*75) = √-1 * √75 = 5i√3
complex numbers are always expressed as a+bi, where a is the real part.
so the correct answer is B. 63+5i√3
User Dquijada
by
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