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Popular >

simplify |2-i|

Solution

simplify

∣ 2 - i ∣

Solution

5

+1

Solution steps

∣ 2 - i ∣

Apply complex arithmetic rule:

∣ a + bi ∣ = a^{2} + b^{2}

∣ 2 - i ∣ = 2^{2} + (- 1)^{2}

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

2^{2} = 4

= 4 + (- 1)^{2}

4 + (- 1)^{2} = 5

= 5

Popular Examples

factor 25p+10 factor

25 p + 10

simplify 4/5-7/10 simplify

\frac{4}{5} - \frac{7}{10}

expand (x-1)(3x+2)expand

(x - 1) (3 x + 2)

simplify (3.9-4)/(3.9^2-3(3.9)-4)simplify

\frac{3.9 - 4}{3. 9 ^{2} - 3 ( 3.9 ) - 4}

simplify 7/9*4/5 simplify

\frac{7}{9} \cdot \frac{4}{5}

Frequently Asked Questions (FAQ)

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