2. Complex Numbers and Quadratic Equations
JEE 2026 – Complex Numbers and Quadratic Equations JEE 2026 – MathematicsComplex Numbers and Quadratic Equations 1. Need for Complex Numbers The real number system cannot solve equations like $x^2+1=0$. To overcome this limitation, mathematics introduces a new number $i$ such that $i^2=-1$. 2. Definition and Basic Form A complex number is $z=a+ib$, where $a,binmathbb{R}$. […]
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