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Hamilton gave his definition of complex numbers around the year:
A1900
B1780
C1830
D1730
Answer & Solution
Correct answer: C. 1830
1. He treated a complex number as an ordered pair.
2. This purely mathematical definition is dated approximately.
3. It was about 1830.
_Source: NCERT Class 11 Mathematics, Chapter 5, Complex Numbers and Quadratic Equations._
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