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Complex Numbers and Quadratic Equations — MATHS STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceMATHSComplex Numbers and Quadratic Equations1 Mark
MCQ
$\frac{1}{\text{Z}}$ is, _________________ for complex number z.
  • A
    additive inverse
  • B
    additive identity element
  • C
    multiplicative identity element
  • D
    multiplicative inverse
✓

Answer

  1. multiplicative inverse

Solution:

On multiplying reciprocal of complex number $\frac{1}{\text{z}}$ to complex number z, we get multiplying inverse one i.e. z × 1 = z.

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