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Popular >

simplify |12-5i|

Solution

simplify

∣ 12 - 5 i ∣

Solution

13

Solution steps

∣ 12 - 5 i ∣

Apply complex arithmetic rule:

∣ a + bi ∣ = a^{2} + b^{2}

∣ 12 - 5 i ∣ = 1 2^{2} + (- 5)^{2}

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

1 2^{2} = 144

= 144 + (- 5)^{2}

144 + (- 5)^{2} = 13

= 13

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Frequently Asked Questions (FAQ)

What is |12-5i| ?
The solution to |12-5i| is 13