quickly

  1. J

    Solving this Matrix quickly in an Exam

    Hi all, Does anyone know the best way to answer this maths question quickly? Get from the determinant 1 to the quadratic equation 2. Preferably on a casio calculator, Please see the attachments. Thank you!
  2. R

    How to quickly add any number of vectors

    Hey guys, if you would like to take a look, here is a lesson I made on how to quickly add multiple vectors without having to add them one by one. Check it out and let me know if you have any question. ZKa_-SN6ZBs
  3. K

    Academic Guidance Is is it possible to learn pre-calculus and calculus quickly?

    I want to learn pre-calculus and calculus in a couple of months. What is the most efficient way to do so? :D
  4. F

    Computing the rank of this matrix quickly?

    How do I quickly find the rank of this matrix? A = \left( \begin{array}{ccc} 1 & 2 & 3 & 4 & 5 \\ 6 & 7 & 8 & 9 & 10 \\ 11 & 12 & 13 & 14 & 15 \\ 16 & 17 & 18 & 19 & 20 \\ 21 & 22 & 23 & 24 & 25 \end{array} \right) element a_{ij} = j + 5(i-1) and subtracting from each of the rows i > 1 a...
  5. B

    pls quickly answer ma quest about sylow thm

    1. Let p be prime, and G be a finite group. If every element of G has order a power of p, then |G| = p^n for some n?0. (Hint: Use Cauchy’s theorem.) 2. Tell as much as possible about the subgroups of a group of order 30 and of a group of order 40. 3. Let G be a finite p-group and H<G. Prove...
  6. B

    please help quickly about sylow thm and group action quest

    1. Let p be prime, and G be a finite group. If every element of G has order a power of p, then |G| = p^n for some n?0. (Hint: Use Cauchy’s theorem.) 2. Tell as much as possible about the subgroups of a group of order 30 and of a group of order 40. 3. Let G be a finite p-group and H<G. Prove...