Recent content by Shayes

  1. S

    How can induction be used to prove a sum of cubes formula?

    Proof by Induction: Show Base case is true. (n=1) Assume nth case is true. Want to show: (n+1)th case is true. Find relationship between n+1 case and n case and then use inequalities and equalities to prove it.
  2. S

    Proof about irrationals between reals.

    just replace this so now we have a-√2<t<b-√2 , and t is a rational number. then we add √2 with this so now we have a-√2<s<b-√2 , and s is a rational number. then we add √2 and the other lines as necessary
  3. S

    Proof about irrationals between reals.

    yes but honestly it looks fine to me
  4. S

    Proof about irrationals between reals.

    check it again, checkitagain
  5. S

    Calculating % Yield of Ester in Chemistry Lab

    You think the yield will be smaller relative to what? Relative to Stopping the rxn early?
  6. S

    Finding Mass through Stoichiometry of Ethanol in a chemical equation

    how do you find an extensive variable from an intensive variable? lol tell him he is missing some info
  7. S

    Miller index planes and directions relationship

    the way the question is worded implies you probably don't need to show using math. is this an intro to materials class? or upper div?
  8. S

    Proving Convergence of {S_n/n} for Bounded Sequence {S_n}

    i thought of that, but is that the same as saying the entire sequence converges? i feel like this statement says that each term is squeezed between the interval, but it doesn't say anything about if the limit of the sequence's terms is taken to infinity.
  9. S

    Miller index planes and directions relationship

    yea the direction does appear to be perpendicular to the plane. are you sure you need to prove it using math?
  10. S

    Calculating Molal Boiling point elevation constant HELP

    lol word piggy, you are given the volume and the density. you want to find the mass, so what do you do?
  11. S

    Proving Convergence of {S_n/n} for Bounded Sequence {S_n}

    Homework Statement If {S_n} is a sequence whose values lie inside an interval [a,b], prove {S_n/n} is convergent. We don't know Cauchy sequence yet. All we know is the definition of a bounded sequence, and convergence and divergence of sequences. Along with comparison tests and Squeeze...
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