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xxxtechmanxxx Group TitleBest ResponseYou've already chosen the best response.0
\[A = \left[\begin{matrix}a & b \\ c & 0\end{matrix}\right] and B = \left[\begin{matrix}1 & 0 \\ d & e\end{matrix}\right]. \]
 one year ago

xxxtechmanxxx Group TitleBest ResponseYou've already chosen the best response.0
Giving your answer is terms of a,b,c,d, and e, a)Write down A+B b)Find AB
 one year ago

xxxtechmanxxx Group TitleBest ResponseYou've already chosen the best response.0
Help?
 one year ago

eliassaab Group TitleBest ResponseYou've already chosen the best response.0
for A+B add the corresponding elements of A and B
 one year ago

seidi.yamauti Group TitleBest ResponseYou've already chosen the best response.0
a11=a+1 a12=b+0=0 ...
 one year ago

eliassaab Group TitleBest ResponseYou've already chosen the best response.0
\[ A+B=\left( \begin{array}{cc} a+1 & b \\ c+d & e \end{array} \right) \]
 one year ago

eliassaab Group TitleBest ResponseYou've already chosen the best response.0
\[ A B=\left( \begin{array}{cc} a+b d & b e \\ c & 0 \end{array} \right) \]
 one year ago

xxxtechmanxxx Group TitleBest ResponseYou've already chosen the best response.0
Alright, but how do I do that? I'm a bit new to Matrices.
 one year ago

eliassaab Group TitleBest ResponseYou've already chosen the best response.0
\[ A = \left[\begin{matrix}a & b \\ c & 0\end{matrix}\right] \text { and } B = \left[\begin{matrix}1 & 0 \\ d & e\end{matrix}\right]\\ c_{1,1}= a (1) + b(d)=a + bd\\ c_{1,2}= a (0) + b(e)=be\\ c_{2,1}= c(1) +0(d)=c\\ c_{2,2}= c(0) +0(e)=0\\ \]
 one year ago

eliassaab Group TitleBest ResponseYou've already chosen the best response.0
Did you understand?
 one year ago

xxxtechmanxxx Group TitleBest ResponseYou've already chosen the best response.0
Yes! Thank you!
 one year ago
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