Questions asked by SoySoy4444

• Back to user's profile
• What is the difference between potential difference and voltage?
  
• How do you solve a simultaneous equation using matrices?
  
• Is ΔH=mCΔT and q=mCΔT the same thing? If so, which is more scientific?
  
• What is the best way to solve problem like these ↓ ? (Limits to infinity)
  
• A step by step procedure on how to graph a quadratic equation with only 1 solution (discriminant is 0) and no real solutions (complex and discriminant is negative) ? Please provide an example equation and solve through it...
  
• The polynomial f(x) = #x^3 + 3x^2 + ax + b# leaves the same remainder when divided by #(x – 2)# as when divided by #(x +1)#. Find the value of #a#?
  
• Find the value of #c# for which the roots of #2x^2-21x+c=0# are in the ratio #1:2#?
  
• The rational function #f(x)=1/(x-2)-x/(x^2+3)# has a unique zero. What is the zero of #f(x)#?
  
• See below (It's about trigonometric functions) Please answer and explain this?
  
• Please help me with this problem?
  
• Determine an equation for the tangent line to the graph of #f(x)=(2x+1)^2+ln(4x-3)# at the point #x=1#?
  
• What is the angle between the graph of #f(x)=2sin(x)-1# and the #x#-axis if the graph of #f# intersects the #x#-axis at #x=pi/6#?
  
• #f(x)=cos(3^x)#. Then #f'(x)=?# Do not use substitution such as #u=3^x#. Use the chain rule twice??
  
• Can you check the follow statements about derivatives?
  
• #lim_(xrarr-3)(x+3)/(4-sqrt(2x+22))# by using L'Hôpital's Rule?