Recent content by mathlover1

  1. M

    Discover the Sum of a Series: Find the Value with Expert Help

    it seems so impossible to do!
  2. M

    Discover the Sum of a Series: Find the Value with Expert Help

    Find the value of sum 1+\frac{1}{2}-\frac{1}{3}-\frac{1}{4}+\frac{1}{5}+\frac{1}{6}-\frac{1}{7}-\frac{1}{8}+...
  3. M

    Graduate What is the Minimum Value of f(x) for Positive Real Numbers x and y?

    That's why i am asking to you guys! This inequality is correct .. just need to be proven!
  4. M

    Graduate What is the Minimum Value of f(x) for Positive Real Numbers x and y?

    I forgot to say that x,y are numbers such that x+y=1
  5. M

    Graduate What is the Minimum Value of f(x) for Positive Real Numbers x and y?

    For all positive real numbers x,y prove that: \frac{1}{1+\sqrt{x}}+\frac{1}{1+\sqrt{y}} \geq \frac{2\sqrt{2}}{1+\sqrt{2}}
  6. M

    High School Can you spot the mistake in this equation?

    Well-done Njama, your answer is the correct one.
  7. M

    High School Can you spot the mistake in this equation?

    yes it's -1 because (-1)^2=1 from the definition ;)
  8. M

    High School Can you spot the mistake in this equation?

    Somebody find the mistake here: 1=\sqrt{1}=\sqrt{(-1)(-1)}=\sqrt{(-1)^2}=-1 \Rightarrow 1=-1