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HP Prime exact values
08232020 10:22 PM
Hey guys, another problem.
so when I tried to find the integral of f(x)=82^(x1) and g(x)=(18/4)x+15/2
I get a decimal. when I try and convert it to exact values it gives me a (51188988/8283293).
but when I do the exact same thing on tiinspire, I get a 17(15/2*ln(2)). On the tiinspire when i change the exact value to a decimal I get the same answer as in the HP Prime.
My question is how can I get my answer to be in the same format as the one on tiinspire.
Solved! Go to Solution.
08232020 11:25 PM
Please tell us exactly what you did to obtain that result, and whether you were in Home view or in CAS view. When I take the integral of each of those two functions, I don't get anything like you mentioned:
08242020 09:04 PM
@USF45 wrote:yes, I forgot to mention the bound was from 0,4. Which would give you a definite integral replacing the x values
As mentioned in your other recent thread on this forum, if you want exact (symbolic) results, you must use CAS (not Home), lowercase variables (not singleletter uppercase variables). You must also type all numbers without any decimal points, because a decimal point indicates that it's a "floating point" (approximate) value. However, neither integral from 0 to 4 gets the result you mentioned:
08252020 06:29 AM
Are you sure that you typed them correctly? I copied your formulas and pasted them into WolframAlpha exactly as you typed them, and its results are the same as the HP Prime's results:
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