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onegirl

  • 2 years ago

Use the given substitution to evaluate the indicated integral.

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  1. onegirl
    • 2 years ago
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  2. onegirl
    • 2 years ago
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    @terenzreignz can u help?

  3. tanjung
    • 2 years ago
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    u = x^3 + 2 du = 3x^2 dx 1/3 du = x^2 dx see that integral becomes 1/3 int(u)^1/2 du

  4. terenzreignz
    • 2 years ago
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    Nuff said, @tanjung :)

  5. onegirl
    • 2 years ago
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    thanks!

  6. tanjung
    • 2 years ago
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    can u finish it, onegirl ?

  7. onegirl
    • 2 years ago
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    no

  8. tanjung
    • 2 years ago
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    to get the integral of u^1/2 du use the basic formula : int u^n du = 1/(n+1) u^(n+1)

  9. onegirl
    • 2 years ago
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    okay

  10. onegirl
    • 2 years ago
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    i got 2u^3/2 over 3 is that correct?

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