Jika matrik A={2 4} {3 1} I={1 0} {0 1} maka (A+I)^2= Mohon bantuanya
Matematika
lugina100
Pertanyaan
Jika matrik A={2 4}
{3 1}
I={1 0}
{0 1} maka (A+I)^2=
Mohon bantuanya
{3 1}
I={1 0}
{0 1} maka (A+I)^2=
Mohon bantuanya
2 Jawaban
-
1. Jawaban Anonyme
jawab
A + I = [(2+1)..(4+0)||(3+0)...(1+1)]
[A + I] = [3...4||3...2]
[A + I] ² = [A + I][A + I]
= [ (3.3 +4.3) ...(3.4+4.2) || (3.3 + 2.3)...(3.4 +2.2)]
= [ (9+12)...(12+8) || (9+6)...(12+4)]
= [ 21 ...20 || 15...16] -
2. Jawaban alex422
A+I= 3 4
3 2
[tex] \binom{3 \: \: \: 4}{3 \: \: 2} \times \binom{3 \: \: 4}{3 \: \: 2} = \binom{21 \: \: \: 20}{15 \: \: 16} [/tex]