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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asked Feb 8, 2017 127k views

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SunshinyDoyle · Answer 1 · 2017-02-12T14:47:02+0000

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?)

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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