Home › TS EAPCET (Engineering) › Mathematics › Complex Numbers › Find the modulus of the product (3 + 4i)(5 - 12i).
Find the modulus of the product (3 + 4i)(5 - 12i).
A56
B63
C17
D65
Answer & Solution
Correct answer: D. 65
Moduli multiply, so the result is 5 times 13, which equals 65.
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