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schadie

  • 2 years ago

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

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  1. myininaya
    • 2 years ago
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    Do you know how to integrate by first using a trig sub?

  2. myininaya
    • 2 years ago
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    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.

  3. Spacelimbus
    • 2 years ago
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    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.

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