schultzt503 schultzt503

16-09-2021
Mathematics

contestada

What is root-16 + root49 written as a complex number in the form a+bi?

Respuesta :

manissaha129 manissaha129

16-09-2021

Answer:

[tex] →\sqrt{ - 16} + \sqrt{49} [/tex]

We know that, i = √-1
Form → a + ib

[tex]→( \sqrt{ - 1} \times \sqrt{16} ) + ( \sqrt{49} )\\=i \sqrt{16}+\sqrt{49} \\ = 4i + 7 \\ = \boxed{7 + 4i}✓[/tex]

(7 + 4i) is the right answer.

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