Z4K4R1Y4
  • Z4K4R1Y4
Solve for x: 2cosh(x)=0
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Z4K4R1Y4
  • Z4K4R1Y4
cosh(x)=1/2(e^x+e^-x)
Z4K4R1Y4
  • Z4K4R1Y4
so 2coshx= e^x+e^-x which = 0
mathmate
  • mathmate
and \(e^x >0~~\forall x\in R\) so there is no real root.

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Z4K4R1Y4
  • Z4K4R1Y4
exactly the answer I got!
Z4K4R1Y4
  • Z4K4R1Y4
thank you for verifying.

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