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#1 Posted 10:27am 21-01-10 very tough integral ---dare to try this one -----[im]http://codecogs.izyba.com/gif.latex?%5Cint%20%5Cfrac%7B%20dx%7D%7B%20%28a%5E2%20sin%5E2x%20+%20b%5E2%20cos%5E2x%20%29%20%5E2%7D[/im] |
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#2 Posted 7:56pm 21-01-10 Re: very tough integral ---dare to try this one ----- plz answer ------ is it integrable or not integrable ------------- |
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#3 Posted 7:59pm 21-01-10 Re: very tough integral ---dare to try this one -----wats teh sorce u made it up?
"Last thing I remember, I was running for the door;
I had to find the passage back to the place I was before;
'Relax' said the night man, 'We are programed to receive';
'You can check out any time you like, but you can never leave'_ ®
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#4 Posted 9:18pm 21-01-10 Re: very tough integral ---dare to try this one -----y do u say dat it wnt be integrated???????
Yesterday is HISTORY.Tomorrow is MYSTERY.But TODAY IS A GIFT.That's why it is a called 'THE PRESENT'. |
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#5 Posted 9:19pm 21-01-10 Re: very tough integral ---dare to try this one -----wait m trying........
Yesterday is HISTORY.Tomorrow is MYSTERY.But TODAY IS A GIFT.That's why it is a called 'THE PRESENT'. |
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#6 Posted 9:23pm 21-01-10 Re: very tough integral ---dare to try this one -----oh god i was goiin to apply chain rule by mistake.dats y i got sum rong ans.......
Yesterday is HISTORY.Tomorrow is MYSTERY.But TODAY IS A GIFT.That's why it is a called 'THE PRESENT'. |
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#7 Posted 9:24pm 21-01-10 Re: very tough integral ---dare to try this one ----- how do u apply chain rule in integration |
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#8 Posted 9:29pm 21-01-10 Re: very tough integral ---dare to try this one ----- any one got this |
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#9 Posted 9:30pm 21-01-10 Re: very tough integral ---dare to try this one -----arrey wahi toh comedy hai..i jst got condused...lol..
Yesterday is HISTORY.Tomorrow is MYSTERY.But TODAY IS A GIFT.That's why it is a called 'THE PRESENT'. |
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#10 Posted 9:33pm 21-01-10 Re: very tough integral ---dare to try this one -----I am getting a very complicated answer here...
||~AiSh~|| |
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#11 Posted 9:34pm 21-01-10 Re: very tough integral ---dare to try this one -----arrey aishwarya u r gettin an ans atleast m nd stuck up hw to break it......
Yesterday is HISTORY.Tomorrow is MYSTERY.But TODAY IS A GIFT.That's why it is a called 'THE PRESENT'. |
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#12 Posted 9:35pm 21-01-10 Re: very tough integral ---dare to try this one -----All right the correct answer is complicated as well. http://www.wolframalpha.com/input/?i=integrate+1%2F%28%28a^2+%28sin+x%29^2+%2B+b^2%28cosx%29^2%29%29^2+dx+ but yea ..it is integrable
||~AiSh~|| |
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#13 Posted 04:05am 22-01-10 Re: very tough integral ---dare to try this one -----not quite sure done it roughly [im]http://codecogs.izyba.com/gif.latex?\int%20\frac{%281+\tan^2x%29\sec^2dx}{\left%28a^2\tan^2x+b^2%20\right%29^2}%20\\%20\\%20put%20\%20tanx%20=t%20\\%20\int%20\frac{\left%28%201+t^2\right%29.dt}{\left%28%20kt^2%20+1\right%29^2%20}\\%20\int%20\frac{dt}{\left%28%20kt^2%20+1\right%29^2}%20+\int%20\frac{t^2.dt}{\left%28%20kt^2%20+1\right%29^2}\\%20put%20\%20k_2t=z%20\\%20such%20\%20that%20\%20the%20\%20integral%20\%20becomes%20\\%20\int%20k_1\frac{dz}{\left%28%20z^2%20+1\right%29^2}%20+%20k_2\int%20\frac{z^2.dz}{\left%28%20z^2%20+1\right%29^2}\\%20now%20\%20put%20\%20z=\tan\alpha%20\\%20k_1\int%20\cos^2\alpha%20+%20k_2\int%20\sin^2%20\alpha[/im] |
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#14 Posted 5:13pm 22-01-10 Re: very tough integral ---dare to try this one -----i think you should use the substitution [sqrt]k[/sqrt] t = z Otherwise it seems fine.. [1]
-when spring comes, it melts the snow one flake at a time… |
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#15 Posted 5:16pm 22-01-10 Re: very tough integral ---dare to try this one -----yes bhaiya i just wanted to write some constant k such that kt=z actually i didnt mean the previous constant k (soryy for dat ) |
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#16 Posted 10:46am 06-03-10 Re: very tough integral ---dare to try this one -----any diiferent approach to this question !!????
Edited on 10:46am 06-03-10 |
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#17 Posted 0:20pm 06-03-10 Re: very tough integral ---dare to try this one -----[image]43358218.jpg[/image] |
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#18 Posted 2:26pm 06-03-10 Re: very tough integral ---dare to try this one ----- TAPAS YAAR MUJHE YE [hide] " WOLFRAM MATHEMATICA " [/hide] WAALA ANSWER NAHI CHAHIYE ! |
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#19 Posted 2:40pm 06-03-10 Re: very tough integral ---dare to try this one -----one way is to put [im]http://codecogs.izyba.com/gif.latex?asinx=bcosx.tan\theta[/im]
"Last thing I remember, I was running for the door;
I had to find the passage back to the place I was before;
'Relax' said the night man, 'We are programed to receive';
'You can check out any time you like, but you can never leave'_ ®
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