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show that the equation xcosx-2x2+3x-1=0

  1. Show that the function f(x) e^xcosx has exactly one turning point when x is between 0 and 90 degrees. Determine the nature of
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    2. Dani asked by Dani
    3. views icon 474 views
  2. show that the equation xcosx-2x2+3x-1=0 has at least one solution in [0.2,0.3]
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    2. jessy asked by jessy
    3. views icon 934 views
  3. FInd the derivative of each of the following function.f(x)=xcosx+x^4e^2x All I know is the rule with the e^u equation where you
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    2. Sandy asked by Sandy
    3. views icon 544 views
  4. Prove that xcosx< sinx for 0<x<(5π/4)-differentiate the function f(x)=sinx-xcosx
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    2. MTH3312 asked by MTH3312
    3. views icon 583 views
  5. Provide the identity. Show all proper work. 2 sin xcos^3x + 2 sin^3 xcosx = sin(2x)
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    2. k asked by k
    3. views icon 366 views
  6. find the equation of tangent line to the graph of f(x)=xcosx(√2 x) at a=0
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    2. selina asked by selina
    3. views icon 476 views
  7. Find an equation of the tangent line to the graph of f(x)=xsinx when x=0.A. y=0 B. f'(x)=0 C. y=xcosx+sinx D. y=x E. None of
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    2. Anonymous asked by Anonymous
    3. views icon 477 views
  8. For x≠0, the slope of the tangent to y=xcosx equals zero whenever:(a) tanx=-x (b) tanx=1/x (c) sinx=x (d) cosx=x Please help.
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    2. Jake asked by Jake
    3. views icon 555 views
  9. For x≠0, the slope of the tangent to y=xcosx equals zero whenever:(a) tanx=-x (b) tanx=1/x (c) sinx=x (d) cosx=x Please help.
    1. answers icon 1 answer
    2. Jake asked by Jake
    3. views icon 4,569 views
  10. f(x)=2e^(xcosx)f'(x)=?
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    2. wkp asked by wkp
    3. views icon 333 views