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Sahay Sir > Question Answers > NCERT Exemplar Class 11 > Maths > Chapter 5 - Complex Numbers and Quadratic Equations > 19. If (a + ib) (c + id) (e + if) (g + ih) = A + iB, then show that (a^2 + b^2) (c^2 + d^2) (e^2 + f^2) (g^2 + h^2) = A^2 + B^2.

19. If (a + ib) (c + id) (e + if) (g + ih) = A + iB, then show that (a^2 + b^2) (c^2 + d^2) (e^2 + f^2) (g^2 + h^2) = A^2 + B^2.

19. If (a + ib) (c + id) (e + if) (g + ih) = A + iB then show that (a^2 + b^2) (c^2 + d^2) (e^2 + f^2) (g^2 + h^2) = A^2 + B^2.