midhun.madhu1987
  • midhun.madhu1987
Someone Please help me regarding this question...I tried to prove it, but was not successful...
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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midhun.madhu1987
  • midhun.madhu1987
midhun.madhu1987
  • midhun.madhu1987
Please note that: y1 = First Derivative y2 = Second Derivative
anonymous
  • anonymous
What subject it is?

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imqwerty
  • imqwerty
after differentiation y1 =e^arctan(x)/(x^2 +1) y2=[-e^arctan(x) (2x+1)]/(x^2 +1)^2
imqwerty
  • imqwerty
lets call e^arctan(x)=a so we have y1=a/(x^2 +1) y2=[(-a)(2x+1)]/(x^2+1)^2
imqwerty
  • imqwerty
it would be long if we put the values of y1,y2 ad y in the equation so lets think of a shorter method...
midhun.madhu1987
  • midhun.madhu1987
I am so sorrry... Since I am at the office now.. wont be able to look at it... if you can suggest methods to solve it.. i can surely verify once I am home..
imqwerty
  • imqwerty
ok :)
midhun.madhu1987
  • midhun.madhu1987
and one thing... I tried many steps... lol
anonymous
  • anonymous
Is that even math............ I'm afraid of my future........
imqwerty
  • imqwerty
LOOOL XD
anonymous
  • anonymous
Also your very smart imqwerty considering I cant even read the problem right and your sitting here practically answering it
anonymous
  • anonymous
@midhun-madhu1987 We are in the same boat. I tried many ways, still not get the correct one. :)
IrishBoy123
  • IrishBoy123
@oldrin.bataku
midhun.madhu1987
  • midhun.madhu1987
@JoannaBlackwelder Could you have a look at it...
JoannaBlackwelder
  • JoannaBlackwelder
Sure, I'll give it a shot.
JoannaBlackwelder
  • JoannaBlackwelder
I get y2=[(-a)(2x-1)]/(x^2+1)^2 Is that what you get?
IrishBoy123
  • IrishBoy123
are you sure there's not a typo in the question? https://gyazo.com/37935600cf0886aefbb297d1146e840c
JoannaBlackwelder
  • JoannaBlackwelder
Yeah, ditto. I get really close, but not all of the terms cancel.
midhun.madhu1987
  • midhun.madhu1987
The same happened to me too @JoannaBlackwelder

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