13. If (a + ib) (c + id) (e + if) (g + ih) = A + iB, then show that (a² + b²) (c² + d²) (e² + f²) (g² + h²) = A² + B².

Complex Numbers and Quadratic Equations

Miscellaneous Exercise

Ncert Solutions class 11 Complex Numbers and Quadratic Equations Miscellaneous Exercise