Question

sqrt(x+iy) =+- (a+ib) , then sqrt(-x-iy) is equal to
a. +-(ai -b)
b. +_(a-ib)

Answer 1

hint: \[\Large \sqrt{-x-iy}=\sqrt{-1(x+iy)}=\sqrt{-1}\sqrt{x+iy}=i\sqrt{x+iy}\]

So \[\Large \sqrt{-x-iy}=i\sqrt{x+iy}\]

Answer 2

pls help...i can't see the full text..

Answer 3

which part is cut off? (sry for the long delay)

Answer 4

its okie...thanks for helpin.. :)

Answer 5

i got the answer..