If (x + iy) = 1+2 i 3+4 i , then (x 2 + y 2 ) 2 is equal to

Mathematics · JEE Main · NTA Exams — Complex Numbers and Quadratic Equations

1. 5
2. 1/5
3. 2/5
4. 5/2

Answer

(B) 1/5

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