i have to solve the third row third column in a matrices. Solve C-B. The numbers in the third row, second column are 17,16, & 25. but do i add the numbers?

Question

i have to solve the third row third column in a matrices. Solve C-B.  The numbers in the third row, second column are 17,16, & 25. but do i add the numbers?

zzr0ck3r · Answer

solving a certain position in a matrix does not make sense, what exactly does the question ask? type it exactly as the book asks

mathisfun13 · Answer

A=[0 3 5
     6  1 4
     8  7  2]

B= [9   12  14
     15   10  13
     17   16  11]

C= [18   21  23
      24   19  22
      26   25  20]

mathisfun13 · Answer

third row second column. solve for C-B

zzr0ck3r · Answer

ok I think you are saying $$C_{3,2}-B_{3,2}$$

zzr0ck3r · Answer

so take the element in the 3rd row and 2nd column of C which is 25 and subtract the element in the third row 2nd column of B which is 16
so
25-16 = 9

mathisfun13 · Answer

okay