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What is the solution of Integral :
(x²+4x)/sqrt(x²+2x+2)
Do not use an integral calculator, please help !!
 10 months ago
 10 months ago
What is the solution of Integral : (x²+4x)/sqrt(x²+2x+2) Do not use an integral calculator, please help !!
 10 months ago
 10 months ago

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myininayaBest ResponseYou've already chosen the best response.0
Do you know how to integrate by first using a trig sub?
 10 months ago

myininayaBest 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.
 10 months ago

SpacelimbusBest 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.
 10 months ago
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