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KCET2025MathematicsComplex Number

If Z₁ and Z₂ are two non-zero complex numbers, then which of the following is not true?

Options

  1. AZ ₁+ Z ₂ = Z ₁+ Z ₂
  2. B| Z ₁ Z ₂ |= | Z ₁ | | Z ₂ |
  3. CZ₁ Z₂ = Z ₁ Z ₂
  4. D| Z ₁+ Z ₂ | | Z ₁ |+ | Z ₂ |

Correct answer

D. | Z ₁+ Z ₂ | | Z ₁ |+ | Z ₂ |

Step-by-step solution

| Z ₁+ Z ₂ | | Z ₁ |+ | Z ₂ |

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