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What is the absolute value of the complex number -4-√2
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What is the absolute value of the complex number -4-√2
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Oct 20, 2019
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What is the absolute value of the complex number -4-√2
Mathematics
middle-school
Ritu Dhoot
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Ritu Dhoot
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5
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Answer:
b
Explanation:
Abolfazl
answered
Oct 22, 2019
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Abolfazl
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|a+bi| = √(a² + b²)
-4-√2 i -> take a = -4 and b = -√2
|-4-√2 i| = √[ (-4)² + (
-√2)² ]
=
√[ 16 + 2
]
= √[ 18 ]
=
√[ 9 * 2 ]
= 3√2
the absolute value is 3√2
Corentin
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Oct 25, 2019
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Corentin
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