Recent content by chinyew

  1. C

    Undergrad Prove that (a+b)(b+c)(c+a) =/> 8abc

    prove that (a+b)(b+c)(c+a) =/> 8abc for all a,b,c =/> 0 any1 pls.. thx.
  2. C

    High School Have I found a new math trick for multiplication?

    this method can be used by multiplication of 3 too.. for example: 3 is a factor of 27, 2+7=9 which can be divided by 3. same case with multiplication of 9