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

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

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

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

deepak201001Best ResponseYou've already chosen the best response.0
you 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...
 2 years ago

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