Alice_Dump 2 years ago CAn U find the derivative for this equation PLZ TT^TT

1. Alice_Dump

$\sin (xy)+^{2} = x -y$

2. Alice_Dump

oh no -.-

3. Alice_Dump

$\sin (xy) + x^{2} = x - y$

4. Ookami

oh boy..... I'm sorry, but I didnt do very well in Geometry... :-/

5. Alice_Dump

:] weeee xD everybody is smart except me

6. Alice_Dump

thats calculas -.-

7. Alice_Dump

O_O

8. Alice_Dump

who can solve this TT___TT

9. Alice_Dump

i tell you what i got

10. Alice_Dump

and i know its wrong

11. Alice_Dump

$y \prime(xy+y) = -\cos (xy)y-2x$

12. Alice_Dump

it wrong i know -..-

13. AravindG

please do not underestimate yourself!! we are all people just like you :)

14. Alice_Dump

15. Alice_Dump

=_=

16. AravindG

i am doing on paper 1 sec :)

17. Alice_Dump

:B

18. AravindG

do you want to solve for y' ?

19. Alice_Dump

yup

20. AravindG

ok lets do it together take first term

21. AravindG

first you will get $\cos xy$ apply chain rule and use product rule for xy

22. AravindG

that will be?

23. Alice_Dump

$y \prime =\frac{ -\cos (xy)y -2x }{ (xy+y) }$ ?

24. AravindG

there is a mistake ..lets do afresh that will help you more :)

25. AravindG

so answer my qn above did you differentiate first term ?

26. AravindG

tell me what you get?

27. Alice_Dump

cos (xy) (y+x y prime ) ??

28. AravindG

yep :) $\cos (xy)(xy'+y)$ who told you are dump ?

29. AravindG

now next term :)

30. AravindG

$\dfrac{dy}{dx} x^2=?$

31. Alice_Dump

cos(xy)(xy′+y)+2x = -y′

32. AravindG

good but there is a small mistake :) check again ?

33. Alice_Dump

i see no mistake sir -.-

34. Alice_Dump

oh right ;B

35. Alice_Dump

cos(xy)(xy′+y)+2x = 1 -y′

36. AravindG

:) now i feel like i am dump :P

37. Alice_Dump

xD .. its okie i think i got it now

38. Alice_Dump

thanks

39. AravindG

:) good ..a medal for your intelligence XD

40. Alice_Dump

:P

41. Alice_Dump

thanks and bye .. ;) talk to u later igtg complete studying :B

42. AravindG

ok best of luck :)