Answers created by Theodossis Papadopoulos

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• Write the equation of the circle centered at ( − 8 , − 4 ) that passes through ( 15 ,− 8 )?
  
• How do you simplify #f(x) = \frac { 1+ x } { ( 1- x ) ^ { 2} }#?
  
• Evaluate the integral ∫ |x|dx limit from -1 to 1?
  
• What is the equation of the tangent line of #f(x)=e^(-x^2)-sin3x# at #x=pi/4#?
  
• How do you solve #2x-5/9 = (7x+8)/9#?
  
• How is -ln |cos x| = ln (1/|cos x|) ?
  
• How to find area and value of p between region with integration?
  
• How do you solve #(x + 3) ( x - 1) = 32#?