Pergunta

What is the conjugate of 7+2i Answer -7+2i -7-2i 7-2i 2+7i
Solução

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Sara MariaMestre · Tutor por 5 anos
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To find the conjugate of a complex number, we need to change the sign of the imaginary part.<br /><br />Given the complex number \(7+2i\), the conjugate is \(7-2i\).<br /><br />Therefore, the correct answer is:<br />\[ 7-2i \]
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