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Matthew071 Group TitleBest ResponseYou've already chosen the best response.0
Im stuck where I have \[(1+\frac{ dy }{ dx })x \frac{ dy }{ dx }=y+x \frac{ dy }{ dx }\]
 one year ago

goformit100 Group TitleBest ResponseYou've already chosen the best response.1
sin(x+y)=xy or, cos(x+y) . [ 1+ dy/dx ] = x dy/dx + y
 one year ago

Matthew071 Group TitleBest ResponseYou've already chosen the best response.0
Ya thats what I ment
 one year ago

Matthew071 Group TitleBest ResponseYou've already chosen the best response.0
I dont know what to do from here exactly in cos(x+y) [1+dy/dx]= x dy/dx + y
 one year ago

goformit100 Group TitleBest ResponseYou've already chosen the best response.1
or, cos(x+y) + cos(x+y) dy/dx = x dy/dx + y or, cos(x+y) dy/dx  x dy/dx = y  cos(x+y) or, dy/dx {cos(x+y)  x} = y  cos(x+y) or, dy/dx = [ y  cos(x+y) ] / [ cos(x+y)  x ].................. Ans.
 one year ago

Matthew071 Group TitleBest ResponseYou've already chosen the best response.0
The last one
 one year ago

goformit100 Group TitleBest ResponseYou've already chosen the best response.1
differentiation of sin(x+y) is : cos(x+y) . [ 1+ dy/dx ]
 one year ago

goformit100 Group TitleBest ResponseYou've already chosen the best response.1
Yes the Last one [ y  cos(x+y) ] / [ cos(x+y)  x ] is the answer :)
 one year ago

Matthew071 Group TitleBest ResponseYou've already chosen the best response.0
Thanks for the help :)
 one year ago
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