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anonymous

  • 4 years ago

Evaluate the integral by completing the square and using formula:

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  1. anonymous
    • 4 years ago
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  2. cristiann
    • 4 years ago
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    (1/(10))ln(x-10)-(1/(10))ln x

  3. JamesJ
    • 4 years ago
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    If we complete the square, we have \[ x^2 - 10x = x^2 - 10x + 25 - 25 = (x-5)^2 -5^2 \] Do you see the answer now?

  4. anonymous
    • 4 years ago
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    i can't read it, but since you have the answers given, take the derivative and see which one works

  5. cristiann
    • 4 years ago
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    The first one

  6. anonymous
    • 4 years ago
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    I'm not really understanding this problem, what are you supposed to do with the square once its completed?

  7. cristiann
    • 4 years ago
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    You may either use the given formula or solve it from scratch by expanding in simple fractions...the use of formula shouldn't be compulsory, it is just a suggestion... anyway, the formula is obtained by using the same method...

  8. anonymous
    • 4 years ago
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    Mk, I see, thanks man!

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