In complex analysis, what is the modulus of the complex number ?

Answer and explanation

Correct answer: D.

  1. Step 1: Use property . Step 2. , and . Ratio is . **Answer: . Why not the others:** neglects denominator modulus; squares denominator components incorrectly; is arithmetic error.

Practise more Mathematics A: Functions, Calculus, Complex Numbers and Probability.

Free questions with an explanation for every one, and full timed Exames Nacionais Secundário (Portugal) mock tests.

All Mathematics A: Functions, Calculus, Complex Numbers and Probability questionsTake a mock test

More Mathematics A: Functions, Calculus, Complex Numbers and Probability questions