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Question
The modulus of z = `sqrt7` + 3i is ______
Options
`sqrt2`
2
4
`sqrt5`
MCQ
Fill in the Blanks
Solution
The modulus of z = `sqrt7` + 3i is 4.
Explanation:
|z| = `|sqrt7 + 3i| = sqrt((sqrt7)^2 + (3)^2)`
= `sqrt(7 + 9)`
= 4
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Argand Diagram Or Complex Plane
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