James Birdsall

Using the Pythagoreum Identity

Yanıtlandı

 Can someone explain to me how we get from 1-(11/61)^2 to 3600/3721 ? Why not 121/3600?  Also, is there a way to thank folks that answer a question?

1. Topluluk
2. Study Group

Square roots of negative numbers

Yanıtlandı

sqrt (-48) is the problem. So, I get it simplifies to sqrt (48) i. Then I get 4*sqrt(12)i. But I don't see how you get 4*sqrt(3)i which is the answer. Can someone help with the missing step. What a...

1. Topluluk
2. Study Group