Can't get integration right

05312016, 12:16 PM
(This post was last modified: 06012016 04:23 PM by Marcio.)
Post: #1




Can't get integration right
Hello all,
Would you be king enough as to point out what I am doing wrong with this very simple integration? \[t = \int_0^{0.515}\frac{1}{0.000273\times exp\left[16306\times\left(\frac{1}{535}\frac{1}{535+90.45x}\right)\right](1x)} dx\] The correct answer is \(833\) but I keep getting \(838.867\pm2.38E7\) with FIX 9. This is the code I am using on the 15C: R0 = 0.000273 R1 = 16306 R2 = 535 R3 = 90.45 Code: LBL 0 Very much appreciated. 

05312016, 12:36 PM
Post: #2




RE: Can't get integration right
You're not doing anything wrong, as that is the correct answer for the problem as stated.
Perhaps a digit is wrong somewhere in the constants? Werner 

05312016, 01:39 PM
(This post was last modified: 05312016 01:46 PM by Marcio.)
Post: #3




RE: Can't get integration right
That is right. Just found out 833 was a "close" approximation and 838.87 is actually the correct answer.
Thank you. 

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