Easy INTEGER +4 / -1

If z = re^(iθ), then |z| = $x$.

Answer (integer) 1

Solution

|z| = r (the modulus is the distance from origin in polar form). z = re^(iθ) = r(cos θ + i sin θ), so |z| = r.

About this question

Subject: Mathematics · Chapter: Complex Numbers and Quadratic Equations · Topic: Modulus and Argument

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