Mathematics · essential
Basic algebraic operations for JEE
Algebra of complex numbers
Formula
\[(a+ib)\pm(c+id)=(a\pm c)+i(b\pm d),\qquad (a+ib)(c+id)=(ac-bd)+i(ad+bc)\]
Variables: \(a,b,c,d\in\mathbb R\)
Fundamental operations in complex algebra.
Mathematics · essential
Algebra of complex numbers
Formula
\[(a+ib)\pm(c+id)=(a\pm c)+i(b\pm d),\qquad (a+ib)(c+id)=(ac-bd)+i(ad+bc)\]
Variables: \(a,b,c,d\in\mathbb R\)
Fundamental operations in complex algebra.