papercut87 SG okay here's the problem: x + y + 1 + ( -x + y - 3 ) (dy/dx) = 0 find the general soln. such a qn needs to be approached by substituition. but ive tried using v = x+y and v = -x+y but it doesnt work. help, any maths pro? thanks!!!
polarsnake SG I'm just giving a shot, but if x = -x+y then wouldn't 2x = y? THen you can sub the 2x=y into the equation and see if it helps... Sorry ah I maths very goondu one...
papercut87 SG hee thanks polarsnake... but i realised i made a typo error.. supposed to be v = x+y.. but thanks for ur help gal..
polarsnake SG Maybe papercut can try to post there as well... see if coolmyth or any of the old timers there can help her
metalizechicken SG you need to bring out the minus in the bracket first, before you dy dx. then just use the 3 standard formulas can le...
papercut87 SG furb. its my maths tutorial qn. so i guess its uni work ba. polarsnake.. thanks gal... owe u one..
