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Evgesh-ka [11]
3 years ago
5

Now examine |a + bi| and complete the definition below. The absolute value of any complex number a + bi is the from (a, b) to (0

, 0) in the complex plane.

Mathematics
2 answers:
sergejj [24]3 years ago
8 0
Distance

|a+bi| is the length of the vector from origin to (a,b).

|a+bi| = \sqrt{a^2 + b^2}
julsineya [31]3 years ago
4 0

Answer:

\sqrt{a^2+b^2} which is the absolute value of complex plane |a+ib|

Step-by-step explanation:

The absolute value of any complex number is its modulus for which we have a formula of modulus

\sqrt{a^2+b^2} where a and b are real numbers.

Please look at the attachement for complex plane of the given points (a,b) and (0,0)

The distance between two points (x_1,y_1) and (x_2,y_2)] will be

\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Here we need to find the distance between (a,b) and (0,0)

on substituting the values in distance formula we will get

\sqrt{(0-a)^2+(0-b)^2}

\Rightarrow\sqrt{a^2+b^2} which is the absolute value of complex plane |a+ib|

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