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Mathematics 13 Online
OpenStudy (anonymous):

find |-5-4i |

OpenStudy (anonymous):

\[\sqrt{5^{2}+4^{2}} = \sqrt{41}\]

OpenStudy (anonymous):

- How ?

OpenStudy (anonymous):

\[\left| a+bi \right| = \sqrt{a^{2} + b^{2}}\]

OpenStudy (anonymous):

- okay .

OpenStudy (anonymous):

- thanks .

OpenStudy (anonymous):

your welcome

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