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What is the conjugate of
4-7i ?

-4+7i

-7+4i

-4-7i

4+7i

What is the conjugate of $4-7 i$ ? $\newline$ $-4+7 i$ $\newline$ $-7+4 i$ $\newline$ $-4-7 i$ $\newline$ $4+7 i$

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Complex conjugates

Full solution

Q. What is the conjugate of

4-7 i

?

\newline

-4+7 i

\newline

-7+4 i

\newline

-4-7 i

\newline

4+7 i

Identify parts: Identify the real and imaginary parts of the complex number. $\newline$ In $4 - 7i$ , $4$ is the real part and $-7$ is the coefficient of the imaginary part $i$ . $\newline$ Real part: $4$ $\newline$ Imaginary part: $-7$
Find conjugate: Determine the complex conjugate of $4 - 7i$ . The complex conjugate is found by changing the sign of the imaginary part. Since the imaginary part is $-7$ , its opposite is $+7$ . Complex conjugate: $4 + 7i$

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