Home › CBSE Class 11 (Commerce) › Mathematics › Complex Numbers and Quadratic Equations › Find the product (3 + 5i)(2 + 6i).
Find the product (3 + 5i)(2 + 6i).
A-24 + 28i
B24 - 28i
C6 + 30i
D36 + 28i
Answer & Solution
Correct answer: A. -24 + 28i
Real part is 3x2 - 5x6 = -24 and imaginary part is 3x6 + 5x2 = 28.
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