The Student Room Group

FP2: complex loci

hey, im just going over FP2 (making revision cards/notes) and I cant remember where iy comes from in: arg(Z2)=arg(x2)+iy) arg(Z-2) = arg(x-2) + iy)
Original post by Maths&physics
hey, im just going over FP2 (making revision cards/notes) and I cant remember where iy comes from in: arg(Z2)=arg(x2)+iy) arg(Z-2) = arg(x-2) + iy)


zz is defined to be x+iyx+iy for x,yRx,y \in \mathbb{R}

So z2=x+iy2=(x2)+iyz-2 = x+iy -2 = (x-2)+iy
Original post by RDKGames
zz is defined to be x+iyx+iy for x,yRx,y \in \mathbb{R}

So z2=x+iy2=(x2)+iyz-2 = x+iy -2 = (x-2)+iy


:smile:

Quick Reply

Latest