oblig 9/ XXXXXXXXXXpdf oblig 9/10.2.6.pdf oblig 9/10.2.7.pdf oblig 9/10.2.8.pdf oblig 9/10.3.1.f.pdf oblig 9/ XXXXXXXXXXa.pdf oblig 9/10.3.9 b and c.pdf oblig 9/dm_oblig9.pdf Diskret matematikk Oblig...

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oblig 9/10.2.12.pdf oblig 9/10.2.6.pdf oblig 9/10.2.7.pdf oblig 9/10.2.8.pdf oblig 9/10.3.1.f.pdf oblig 9/10.3.10 a.pdf oblig 9/10.3.9 b and c.pdf oblig 9/dm_oblig9.pdf Diskret matematikk Oblig 9, høsten 2020 Innleveringsfrist: fredag 23. oktober, kl. 23.59 Leveres på Canvas som én pdf-fil. Følgende oppgaver fra læreboka skal løses: 10.2.6.a 10.2.7.a og d 10.2.8.a 10.2.12.a og c 10.3.1.f 10.3.9.b og c 10.3.10.a oblig 9/Task translations.txt 10.2.6 a) calculate each matrix product and use 10.2.7 a and d) calculate each matrix product possible and use 10.2.8 a) Show for each case that AB = BA = I 10.2.12 a and c) Solve each equation system Ax = b by using a ^-1 10.3.1 f) Calculate each determinante 10.3.9 b and c) Decide if each matrix is singular 10.3.10 a) for what t value is each matrix singular
Answered Same DayOct 17, 2021

Answer To: oblig 9/ XXXXXXXXXXpdf oblig 9/10.2.6.pdf oblig 9/10.2.7.pdf oblig 9/10.2.8.pdf oblig 9/10.3.1.f.pdf...

Rajeswari answered on Oct 18 2021
159 Votes
68887 assignment
Since each matrix is 2x2 all products are possible.
We multiply each row with eac
h column and write as shown for AB.
Same method followed for others.
i) AB = =
ii) BC=
iii)
iv)
v)
vi)
vii)
viii)
*
a. AB =
    4
    -1
    4
    -1
     0
    -1
    
    
BA =not possible
b. A^2 =
    11
    5
    -1
    -5
    3
    1
    -3
    -3
    7
c. C’C= (2 -1 3) (2 -1 3)’ = 14 and CC’ =
    4
    -2
    6
    -2
    1
    -3
    6
    -3
    9
d. B is 3x2 and C’ = 1x3. Not possible also C’B is not possible
e....
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