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xxxtechmanxxx Group Title

MATRIX QUESTION

  • 2 years ago
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  1. eliassaab Group Title
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    *

    • 2 years ago
  2. xxxtechmanxxx Group Title
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    \[A = \left[\begin{matrix}a & b \\ c & 0\end{matrix}\right] and B = \left[\begin{matrix}1 & 0 \\ d & e\end{matrix}\right]. \]

    • 2 years ago
  3. xxxtechmanxxx Group Title
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    Giving your answer is terms of a,b,c,d, and e, a)Write down A+B b)Find AB

    • 2 years ago
  4. xxxtechmanxxx Group Title
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    Help?

    • 2 years ago
  5. eliassaab Group Title
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    for A+B add the corresponding elements of A and B

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  6. seidi.yamauti Group Title
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    a11=a+1 a12=b+0=0 ...

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  7. eliassaab Group Title
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    \[ A+B=\left( \begin{array}{cc} a+1 & b \\ c+d & e \end{array} \right) \]

    • 2 years ago
  8. eliassaab Group Title
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    \[ A B=\left( \begin{array}{cc} a+b d & b e \\ c & 0 \end{array} \right) \]

    • 2 years ago
  9. xxxtechmanxxx Group Title
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    Alright, but how do I do that? I'm a bit new to Matrices.

    • 2 years ago
  10. eliassaab Group Title
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    \[ A = \left[\begin{matrix}a & b \\ c & 0\end{matrix}\right] \text { and } B = \left[\begin{matrix}1 & 0 \\ d & e\end{matrix}\right]\\ c_{1,1}= a (1) + b(d)=a + bd\\ c_{1,2}= a (0) + b(e)=be\\ c_{2,1}= c(1) +0(d)=c\\ c_{2,2}= c(0) +0(e)=0\\ \]

    • 2 years ago
  11. eliassaab Group Title
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    Did you understand?

    • 2 years ago
  12. xxxtechmanxxx Group Title
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    Yes! Thank you!

    • 2 years ago
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