JEE Main Mathematics question

Mathematics Complex Numbers JEE Main

For any two complex numbers and and any real numbers and , |az_1-bz_2|^2+|bz_1+az_2|^2 is equal to

(A)
(B)Correct
(C)
(D)None of the above

Answer: (B)

Solution

Use : the first term is . The second term

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Question ID VK-013187