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

Pergunta

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

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.

Given the complex number 7+2i, the conjugate is 7-2i.

Therefore, the correct answer is:
7-2i
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