Q. What is the conjugate of −23−21i ?23−21i−23+21i−21−23i23+21i
Understand complex conjugate: Understand the concept of a complex conjugate. The conjugate of a complex number a+bi is a−bi, where a and b are real numbers. The conjugate is found by changing the sign of the imaginary part of the complex number.
Identify complex number: Identify the complex number to find its conjugate.The given complex number is −23−21i.
Apply conjugation concept: Apply the concept of conjugation to the given complex number.To find the conjugate, we change the sign of the imaginary part. The real part remains the same.Conjugate of −23−21i is −23+21i.
Verify result: Verify the result.The conjugate of a complex number should have the same real part and the opposite sign for the imaginary part. Our result matches this definition.
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