anonymous
  • anonymous
what is the derivative of x(2x-3)^1/2?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
(2x-3)^(1/2) + x(2x-3)^(-1/2)
anonymous
  • anonymous
what about the 2 that is taken from the inside of the function? and thats what i have already but i dont know how to simplify it further
anonymous
  • anonymous
That 2 has been cancelled by 1/2 from the exponent. Do you have some answer you have to simplify for?

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anonymous
  • anonymous
oh thanks butthis isnt an integration problem
anonymous
  • anonymous
the other options are a) 3x-3/ sqrt2x-3 b.) x/sqrt 2x-3 c.) 1/sqrt 2x-3 d.)-x+3/ sqrt 2x-3 e.)5x-6/2 sqrt 2x-3
anonymous
  • anonymous
Simply add the terms, you will get 3x-3/(2x-3)^(1/2)...Know how?
anonymous
  • anonymous
no the final step im on is (2x-3)^1/2 +(2x)(1/2)(2x-3)^-1/2
anonymous
  • anonymous
Ok, look, we have, (2x-3)^(1/2) +x(2x-3)^(-1/2) => [(2x-3)^(1/2) * (2x-3)^(1/2) + x ]/(2x-3)^(-1/2) =>(2x-3+x)/(2x-3)^(-1/2) =>3x-3/(2x-3)^(1/2)
anonymous
  • anonymous
ah i feel th feel like i have made this problem harder than it neeeds to be but, why did you multiply (2x-3)^(1/2) by (2x-3)^(1/2) in the second step?
anonymous
  • anonymous
Its the way you add surds, multiply the denominator and join them.
anonymous
  • anonymous
ok thanks! I really appreciate you're patience
anonymous
  • anonymous
I wish i could have done that in proper latex so it'd have been clear before.
anonymous
  • anonymous
where are you from? what country?

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