Show that if \( a, b, c, d \in \mathbf{R} \),
\[
\overline{(a+i b)(... VIDEO
Show that if \( a, b, c, d \in \mathbf{R} \),https://bit.ly/YTAI_PWAP https://www.pw.live/
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\[
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\[
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\[
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7+\sqrt{7} i
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