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Which of the following is the correct notation for the complex number 113-√-68? A.113-2√17t B.113-2t√17 C.113+2t√17 D.113-2t√-17
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5 votes
Which of the following is the correct notation for the complex number 113-√-68?

A.113-2√17t
B.113-2t√17
C.113+2t√17
D.113-2t√-17

User Bokkie
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8.3k points

2 Answers

4 votes
well the answer is A. 113-2tsqr 17t
User Carlina
by
7.9k points
3 votes
remember
i=√-1

complex numbers are written in form a+bi

so

113-√-68=
113-(√-1)(√(68)=
113-(i)(2√(17)=
113-2i√17

answer is B (what is that 't' doing there?)
User SunshinyDoyle
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8.1k points
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