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What is the conjugate of the complex number 5 - 2i? (2020)

Practice Questions

Q1
What is the conjugate of the complex number 5 - 2i? (2020)
  1. 5 + 2i
  2. 5 - 2i
  3. 2 - 5i
  4. 5 - i

Questions & Step-by-Step Solutions

What is the conjugate of the complex number 5 - 2i? (2020)
  • Step 1: Identify the complex number. In this case, the complex number is 5 - 2i.
  • Step 2: Recognize the format of a complex number, which is a + bi, where 'a' is the real part and 'b' is the imaginary part.
  • Step 3: In the complex number 5 - 2i, the real part (a) is 5 and the imaginary part (b) is -2.
  • Step 4: To find the conjugate, change the sign of the imaginary part. So, -2 becomes +2.
  • Step 5: Write the conjugate using the real part and the new imaginary part. The conjugate is 5 + 2i.
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