Grade 11Algebra
(1+i)^(1/2) + (1-i)^(1/2)=??? Please solve step by step
1 Answer
Phanindra
Approved Tutor Answer8 Years agoThis problem can be solved using De movier's theorem...
I wil give you a hint so that you could be able solve it....
Multiply and divide both the terms with Г2....that is root 2...
So you will get....Г2(cis pie/4)^1/2 + Г2(cis -pie/4)^1/2...
Take root 2 common and you might be knowing...
Using this identity u can solve further...
Your must be. 2Г2Cos pie/8
Hope you understood this...
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