Recent content by qwerty5

  1. Q

    How to Find the General Element of (AB)^T for (AB)^T [AB transposed]

    Max, I think we are both right. What did the professor get?
  2. Q

    How to Find the General Element of (AB)^T for (AB)^T [AB transposed]

    [b[SIZE="1"]kj][a[SIZE="1"]ij] ?
  3. Q

    How to Find the General Element of (AB)^T for (AB)^T [AB transposed]

    Homework Statement Write the general element in terms of aij and bij for (AB)^T [AB transposed]. Homework Equations (AB)^T = B^T*A^T; A=[aij]mxn; B=[bij]nxp The Attempt at a Solution n AB= [sigma aik*bkj]mxp. Let this be equal to [xij]mxp k=1 n...
  4. Q

    What is the rref form of this matrix and for what values of x is it valid?

    Thank you that was very helpful.
  5. Q

    What is the rref form of this matrix and for what values of x is it valid?

    This is a pre-calculus problem. I don't know if I got the answer right, and I don't quite understand what I'm doing. I read the section several times and understand regular augmented matrices but this problem is confusing me a bit. There is no mention in the text about matrices with variables in...