Question

4.2 adding and multiplying matrices; using the summation sign

1.)

A = $oDyzcKi2LN2SKrEgAAAABJRU5ErkJggg==$    , B = $zOAw3b0J7YfmJTWHl45d7MAAAAASUVORK5CYII=$    ,    C =    , find:

1. A + B       b) C – A         c) 3 A     d) 4B + 2c

4.) Find the product matrices in the following (in each case, append beneath every matrix a dimension indicator):

     a.) [   ]

     c.)[ $kD+A27RF4bZRwAAAAASUVORK5CYII=$ ] [ ]       

6. Expand the following summation expressions:

a.) $ENN9KvjwAKov4AAAAASUVORK5CYII=$

c.) $WhEX7QAAAABJRU5ErkJggg==$

Answer 1