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Popular >

simplify |1+2i|

Solution

simplify

∣ 1 + 2 i ∣

Solution

5

+1

Decimal Notation

2.23606 \dots

Solution steps

∣ 1 + 2 i ∣

Apply complex arithmetic rule:

∣ a + bi ∣ = a^{2} + b^{2}

∣ 1 + 2 i ∣ = 1^{2} + 2^{2}

= 1^{2} + 2^{2}

Simplify

1^{2} + 2^{2} : 5

= 5

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Frequently Asked Questions (FAQ)

What is |1+2i| ?
The solution to |1+2i| is square root of 5