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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
1 + 0 i is, _________________ for complex number z.
  • A
    additive inverse
  • B
    additive identity element
  • C
    multiplicative identity element
  • D
    multiplicative inverse
✓

Answer

  1. multiplicative identity element

Solution:

On multiplying one ( 1 + 0 i ) to a complex number, we get same complex number so 1 + 0 i is multiplicative identity element for complex number z i.e. z × 1 = z.

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