y=2^x y=3 ±√(1-2x)full working out and answer please
Last edited by darrenn6; Mar 5th 2012 at 10:19 PM.
Follow Math Help Forum on Facebook and Google+
Originally Posted by darrenn6 y=2^x Take to both sides Originally Posted by darrenn6 y=3 ±√(1-2x)full working out and answer please Start by squaring both sides.
Originally Posted by darrenn6 y=3 ±√(1-2x) y - 3 = +-SQRT(1 - 2x) square both sides: y^2 - 6y + 9 = 1 - 2x Continue...
View Tag Cloud