anonymous
  • anonymous
Integral of 2^3xdx=
Mathematics
  • Stacey Warren - Expert brainly.com
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schrodinger
  • schrodinger
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anonymous
  • anonymous
Make a guess: your u is usually the exponent or the bracket or under the radical or in the denominator or...
anonymous
  • anonymous
so for this one i'd use substitution?
anonymous
  • anonymous
you can substitute u=3x; du=3dx this is standard table int... answer: 1/3 * 2^(3x)/ln(2) +const

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anonymous
  • anonymous
how'd you get ln(2)??
anonymous
  • anonymous
check the table of standard integral (in my #5): int(a^u du)= a^u/(ln u) +c
anonymous
  • anonymous
if you would have e^x - int()= e^x, you have a base of 2 - this gives you ln2 in answer
anonymous
  • anonymous
break it to 2 integrals: int(2/cox thera) + int(cox^2(theta))/conx^2)= 2int(1/cox^2) + int(theta) d... finish it - let me know if there is a problem
anonymous
  • anonymous
sorry,,, this is for another problem
anonymous
  • anonymous
ohh ok, I was confused for a sec lol

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