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kogti [31]
3 years ago
14

Let A and B be 2 Ã 2 matrices. A) Does det(A + B) = det(A) + det(B)? B) Does det(AB) = det(A) det(B)? (C) Does det(AB) = det(BA)

?
Mathematics
1 answer:
USPshnik [31]3 years ago
8 0

Answer:

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Step-by-step explanation:

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C

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Answer:

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Step-by-step explanation:

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Solve the equation:<br><br> 3x + 34 when x = 4<br><br> Show work!
balandron [24]
3x + 34 

x = 4

Substitute x:

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4 years ago
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Evaluate the variable expression when a=-4, b=2, c=-3, and d =4. b-3a/bc^2-d​
gtnhenbr [62]

Answer:

Therefore, the variable expression when a=-4, b=2, c=-3, and d =4 is

\dfrac{b-3a}{bc^{2}-d}=1

Step-by-step explanation:

Evaluate:

\dfrac{b-3a}{bc^{2}-d}

When a=-4, b=2, c=-3, and d =4

Solution:

Substitute, a=-4, b=2, c=-3, and d =4 in above expression we get

\dfrac{b-3a}{bc^{2}-d}=\dfrac{2-3(-4)}{2(-3)^{2}-4}\\\\=\dfrac{2+12}{18-4}\\\\

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Therefore, the variable expression when a=-4, b=2, c=-3, and d =4 is

\dfrac{b-3a}{bc^{2}-d}=1

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3 years ago
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