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Which of the following is the conjugate of 10 − 3i?
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Which of the following is the conjugate of 10 − 3i?

User Paul McLoughlin
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A complex number is made of two parts: one real part (without i) and one imaginary part (with i).
The conjugate of a complex number is found by inverting the sign of the imaginary part of the number.
Therefore, the conjugate of 10+3i is 10−3i
User Buyuk
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