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schadie
Group Title
What is the solution of Integral :
(x²+4x)/sqrt(x²+2x+2)
Do not use an integral calculator, please help !!
 one year ago
 one year ago
schadie Group Title
What is the solution of Integral : (x²+4x)/sqrt(x²+2x+2) Do not use an integral calculator, please help !!
 one year ago
 one year ago

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myininaya Group TitleBest ResponseYou've already chosen the best response.0
Do you know how to integrate by first using a trig sub?
 one year ago

myininaya Group TitleBest ResponseYou've already chosen the best response.0
Try to write the thing in the radical as a sum of squares and pick your trig sub based on that. Let me know what you choose it to be.
 one year ago

Spacelimbus Group TitleBest ResponseYou've already chosen the best response.0
hint: \[\Large \cosh^2 \alpha\sinh^2\alpha=1\] The hyperbolic trigonometric Pythagoras. Hopefully it will make your life a bit easier after completing the square.
 one year ago
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