NCERT Miscellaneous Exercise Q13 - Complex Numbers and Quadratic Equations

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

Answer: The stated modulus identity holds.

Full step-by-step NCERT solution with diagrams on Something by Zero.

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