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For the following integral find an appropriate TRIGONOMETRIC SUBSTITUTION of the form x=f(t) to simplify the integral.

INT (x^2)/(sqrt(7x^2+4))dx dx x=?

  • Calculus -

    This is the first of several YouTube clips where Khan shows in nice detail how to work trig substitution.

    This is part of

    which is a wonderful collection of hundreds of YouTube clips showing most of the mathematical procedures up to college level Calculus.

    Let me know if this was helpful

  • Calculus -

    neither of these videos explain the situation where vaiable x is in the numerator, so i still cant solve it

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