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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}

1^{2} = 1

= 1 + (- 2)^{2}

1 + (- 2)^{2} = 5

= 5

Popular Examples

simplify sqrt(3\times 2)simplify

3 \times 2

factor+35a^2b^2-5ab factor

+ 35 a^{2} b^{2} - 5 ab

factor-x^3+7x+6 factor

- x^{3} + 7 x + 6

simplify 0.2^0 simplify

0. 2^{0}

\frac{3}{2} \div 1

Frequently Asked Questions (FAQ)

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