Express the quantity below in a + bl form. i(5+2i) (2-5i) O A. 21+201 O B. – 20+21li OC. - 21i O D. 20

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.1: Equations
Problem 45E
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1D.4 Please refer to the attached image for my question. Please show ALL your work. Thank you!

Express the quantity below in a +bi form.
i(5+2i) (2- 5i)
O A. 21+20i
ОВ. - 20+21i
ОС. - 21i
OD. 20
Transcribed Image Text:Express the quantity below in a +bi form. i(5+2i) (2- 5i) O A. 21+20i ОВ. - 20+21i ОС. - 21i OD. 20
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