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Find: |-9+12i| showing work

User Abalcerek
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To calculate the absolute value (also known as modulus or magnitude) of a complex number, we use the formula:

|a + bi| = √(a² + b²)

Given the complex number -9 + 12i, we can apply this formula:

|-9 + 12i| = √((-9)² + 12²)

= √(81 + 144)

= √225

= 15

User Jovs
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