Question

Find the modulus of z= -5-4i
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Answer 1

Answer:

z= -5-4i

r= ।z। = √ -5²+ - 4² = √41

Answer 2

The modulus of z = - 5 - 4i is √41

Given :

The complex number z = - 5 - 4i

To find :

The modulus

Solution :

Step 1 of 2 :

Write down the given complex number

The given complex number is

z = - 5 - 4i

Step 2 of 2 :

Find the modulus of the complex number

The required modulus

$\sf = |z|$

$\sf = \sqrt{ {( - 5)}^{2} + {( - 4)}^{2} }$

$\sf = \sqrt{ 25 + 16 }$

$\sf = \sqrt{ 41 }$

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