Sum Rule - Page 4

Questions
  • The sum of two positive number is 16. Use optimization to find the smallest possible value of the sum of their squares?
  • Can you solve this ?
  • Can you solve this ?
  • What's the derivative of #x-1-sqrt(x/(x-1))# ?
  • Write the sum in sigma notation 72 + 61 + 50 + 39 +...+ -104 ??
  • Lim X->6^- (1/(x-6)) - (1/(|x-6|)) ?
  • If #f′(x_0) = 5#, then #lim_{ℎ→0} (f(x_0+ℎ)−f(x_0−ℎ))/ℎ# ?
  • Why does a sum using the difference method need to factorise out common factors?