Thanks Reiny
How ado I simplify?
(3i�ã5)^
3 answers
you forgot the exponent.
it says (3i*ã5)2
(3i√5)^2
= 9i^2(5)
= -45 , remember i^2 = -1
= 9i^2(5)
= -45 , remember i^2 = -1