Answers edited by Topscooter

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• What is #int_(1)^(4) x^4-x^3+sqrt(x-1)/x^2 dx #?
  
• How do you find #int (x+1)/(x(x^2-1)) dx# using partial fractions?
  
• How do you solve #log(x+3)+log(x-3)=log27#?
  
• Question #047be
  
• How do you find a power series representation for #(arctan(x))/(x) # and what is the radius of convergence?
  
• What are some sample matrix multiplication problems?
  
• How do you find the derivative of # y=sin^2x cos^2x#?
  
• What is #cos^2theta# in terms of non-exponential trigonometric functions?
  
• What does #-3sin(arccos(2))-cos(arc cos(3))# equal?
  
• What is #cottheta-costheta# in terms of #sintheta#?
  
• How do you factor #2x^4-2x^2-40#?
  
• What are the absolute extrema of #f(x)=(sinx) / (xe^x) in[ln5,ln30]#?
  
• How do you write a polynomial with function of minimum degree in standard form with real coefficients whose zeros include -3,4, and 2-i?
  
• What are the points of inflection, if any, of #f(x)=e^(2x) - e^x #?