Recent content by aujing

  1. A

    Solve Index Arithmetic Problem: ax^4≡2 (mod 13)

    oops,, what is that "ax^4≡2(mod 13)" means ?? ax^4=13n+2 !? how do you use this "mod" stuff,, I don't use it in this format,, because excel and VBA not in this format... ...
  2. A

    Proving a volume of a cylinder

    what's the meaning of "A = area of a original paper" yOU skipped the most important part !? by folding a paper to form a cylinder !? I assume.. A=2πrh V=πrrh = 2πrh2πrh\4πh = AA\4πh @.u
  3. A

    What are the possible values of a for which (5a - 3:7a^2 - a + 1) = 1?

    what is the meaning of "putting the 2 functions in the parathesis separated by the colon" ??
  4. A

    Proving a volume of a cylinder

    what is the meaning of "putting the 2 functions in the parathesis separated by the colon" ?? :bugeye: :bugeye:
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