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HomeJEE MainmathematicsComplex Numbers and Quadratic Equations › The modulus $|3 + 4i|$ equals:

The modulus $|3 + 4i|$ equals:

A$\sqrt7$
B25
C5
D7
Answer & Solution
Correct answer: C. 5
|a + ib| = √(a²+b²) = √(9+16) = √25 = 5.
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