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lana [24]
4 years ago
11

What is the real part of 4-5ia. 5b. 4c. -5id. -5PLEASE HELP!

Mathematics
1 answer:
marysya [2.9K]4 years ago
7 0

Answer:

<h2>4</h2>

Step-by-step explanation:

A complex number in its rectangular form is expressed as x+iy where x is the real part of the complex number and y is the imaginary because it is attached to the imaginary number i.

Given the complex number 4-5i, comparing the complex number with x+iy

4 = x and iy = -5i

Hence x = 4 and y = -5.

Since x is the real part of the complex number x+iy,<em> hence 4 will be the real part of the complex number 4-5i based on comparison. </em>

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