I NEED HELP ASAP PLEASE! :)

asked Jun 17, 2021 50.3k views

4 votes

4.4k points

Please log in or register to add a comment.

3 votes

Answer:

option 1

Explanation:

$r=\sqrt{(5√(2))^(2)+(-5√(2))^(2) } \\\\=√(25*2+25*2)\\\\ =√(50+50)\\\\=√(100)\\\\=10$

$x=tan^(-1)((-5√(2))/(5√(2)))\\\\x=tan^(-1) (-1)\\x=(7\pi)/(4)$

$re^(ix)=10e^{i(7\pi)/(4)}$

Mark Segal answered Jun 21, 2021

4.6k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

4.7m questions

6.1m answers