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Popular >

simplify |3+9i|

Solution

simplify

∣ 3 + 9 i ∣

Solution

310

+1

Decimal Notation

9.48683 \dots

Solution steps

∣ 3 + 9 i ∣

Apply complex arithmetic rule:

∣ a + bi ∣ = a^{2} + b^{2}

∣ 3 + 9 i ∣ = 3^{2} + 9^{2}

= 3^{2} + 9^{2}

Simplify

3^{2} + 9^{2} : 90

= 90

90 = 310

= 310

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Frequently Asked Questions (FAQ)

What is |3+9i| ?
The solution to |3+9i| is 3sqrt(10)