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quakeash
Group Title
what is the integral of 2/ (2xx^2)^1/2
my guesses is sin^1 (whatever) +c maybe ?
 2 years ago
 2 years ago
quakeash Group Title
what is the integral of 2/ (2xx^2)^1/2 my guesses is sin^1 (whatever) +c maybe ?
 2 years ago
 2 years ago

This Question is Closed

experimentX Group TitleBest ResponseYou've already chosen the best response.0
integral of ??
 2 years ago

quakeash Group TitleBest ResponseYou've already chosen the best response.0
the integral of x/ (2xx^2)^1/2
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.0
try completing squares .. 2x  x^2 = 1  (1x)^2
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.0
and let 1  x = sin u, x = 1 + sin u
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.0
not sure though ... haven't checked!!
 2 years ago

quakeash Group TitleBest ResponseYou've already chosen the best response.0
the complete square u gave me is wrong its 1(x1)^2 i guess right ?
 2 years ago

shivam_bhalla Group TitleBest ResponseYou've already chosen the best response.1
@quakeash , would you mind writing your question on drawing board again? Click the draw button below and rewrite your question on that
 2 years ago

shivam_bhalla Group TitleBest ResponseYou've already chosen the best response.1
dw:1337271739470:dw Is this your question ??
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.0
LOL ... it wasn't trig substitution, http://www.wolframalpha.com/input/?i=integrate+x%2F%28sqrt%282x++x^2%29%29
 2 years ago

shivam_bhalla Group TitleBest ResponseYou've already chosen the best response.1
It is pretty simple. First follow what @experimentX said dw:1337271981227:dw
 2 years ago

shivam_bhalla Group TitleBest ResponseYou've already chosen the best response.1
dw:1337272062537:dw
 2 years ago

shivam_bhalla Group TitleBest ResponseYou've already chosen the best response.1
soory mistake in the lat step
 2 years ago

shivam_bhalla Group TitleBest ResponseYou've already chosen the best response.1
It should be dw:1337272154314:dw
 2 years ago

quakeash Group TitleBest ResponseYou've already chosen the best response.0
the solution . since the integral of dx/(a^2  x^2) = sin^1 (x/a) + c then my question after completing square would be .. 2/(1(x1)^2)^1/2 and its sin ^1 (x1/1) +c /////////////// case closed :D
 2 years ago

shivam_bhalla Group TitleBest ResponseYou've already chosen the best response.1
Now substitute back x 1 in place of t . You will get your answer
 2 years ago
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