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wcaprar
 3 years ago
Integrate (x^2+25)^1 from 5 to infinity. How would I do this WITHOUT using tables?
wcaprar
 3 years ago
Integrate (x^2+25)^1 from 5 to infinity. How would I do this WITHOUT using tables?

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wcaprar
 3 years ago
Best ResponseYou've already chosen the best response.0I know that this is equivalent to inverse tangent, but is that using a table?

experimentX
 3 years ago
Best ResponseYou've already chosen the best response.0then, let x = 5 tan\theta

experimentX
 3 years ago
Best ResponseYou've already chosen the best response.0use trigonometric substitution, you will arrive at the same conclusion.

deepak201001
 3 years ago
Best ResponseYou've already chosen the best response.0you can always substitute... c in the denominator that x2 +25 can be reduced to y2+1just by putting x= 5y.... but also c that u can put x=5 * tan(theta) which would reduce the lower term to just 1 term i.e sec2(theta) and u can integrate very easily...

mareoraft
 3 years ago
Best ResponseYou've already chosen the best response.1Using inverse tangent (aka arctan) is not considered using tables.
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