Answers edited by Ken C.

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• Prove #sqrt(a^2+b^2)e^(iarctan(b/a))=a+bi#?
  
• How do you write an equation with slope of 5/3 and contains the point (-6, -2)?
  
• Where was No Man's Land located?
  
• What were the circumstances of President Richard Nixon's resignation from office?
  
• Question #3686f
  
• Question #39008
  
• Did the United States win or lose the Vietnam War?
  
• What is 7P2?
  
• How do you solve #x^4-18x^2+81=0#?
  
• What are continued fractions for?
  
• If the sum of two consecutive integers is 107, how do you find the integers?
  
• What is the equation of the normal line of #f(x)=x^3-49x^2+7x# at #x=7#?
  
• What was the result of the War of the Spanish Succession?
  
• Question #03083
  
• What is the antiderivative of #ln x#?
  
• How do you find the limit of #sqrt(x^2-9)/(2x-6)# as x approaches #-oo#?
  
• What is the implicit derivative of #4= (x+y)^2 #?
  
• Let R be the shaded region in the first quadrant enclosed by the y-axis and the graphs of #y=4-x^2# and #y=1+2sinx#, how do you find the area?
  
• What is the integral of #int tan^4x dx#?
  
• Who was the king of Sweden who turned the tide of the war in favor of the Protestants until he was killed in battle?
  
• Question #26a54
  
• How do you identify the type of conic #4x^2+8y^2-8x-24=4# is, if any and if the equation does represent a conic, state its vertex or center?
  
• How do you simplify #(x^2 - x - 6) /( x^2 - 4)#?
  
• How do you integrate #int 3 * (csc(t))^2/cot(t) dt#?
  
• How is trigonometric substitution different from u substitution?
  
• How do you use the limit definition to find the slope of the tangent line to the graph #3x^2-5x+2# at x=3?
  
• What happened as a result of the Opium War?
  
• What are the absolute extrema of #f(x)=x^3 - 3x + 1 in[0,3]#?