K kr73114 Member Joined Aug 6, 2009 Messages 373 Gender Male HSC 2011 Dec 10, 2009 #1 make x the subject y= (x+1)/(x+a)
Trebla Administrator Administrator Joined Feb 16, 2005 Messages 8,668 Gender Male HSC 2006 Dec 10, 2009 #2 y= (x + 1)/(x + a) y(x + a) = x + 1 xy + ay = x + 1 xy - x = 1 - ay x(y - 1) = 1 - ay x = (1 - ay)/(y - 1)
y= (x + 1)/(x + a) y(x + a) = x + 1 xy + ay = x + 1 xy - x = 1 - ay x(y - 1) = 1 - ay x = (1 - ay)/(y - 1)
