anonymous
  • anonymous
derivative of x(7sin3x + 2cos3x)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
x(21cos3x+6cos3x)+(7sin3x+2cos3x)
anonymous
  • anonymous
that's wrong! it supposed to be -6sin3x.... in the first part
anonymous
  • anonymous
this whole question is wrong because i meant to put differentiate not derivative :/ my bad

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anonymous
  • anonymous
ha ha ha!! differentiate and derivative means the samething!!!!
anonymous
  • anonymous
but the answer isn't the same? kay well i meant using the chain rule
anonymous
  • anonymous
the answer is x(21cos3x-6cos3x)+(7sin3x+2cos3x) an d that is using the chain rule
anonymous
  • anonymous
oh alright thanks

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