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Given the matrix $\mathbf{E}$ $$\mathbf{E}=\left[\begin{array}{ll|l}3 & -2 & 8 \\9 & -1 & 7\end{array}\right]$$ a. What is the element in the second row and third column? b. What is the element in the first row and second column?

Hello. My name is Impact. So today I'm going to be running through an algebra problem. It's a continuation of the first problem. But we did. So in the first problem we had the metrics um negative two five eight zero one 13. Negative six in nine. So this is the metrics that we had in the first problem. And this question is asking us to find the element Which is in the 2nd row, first column. So remember we said the rows of horizontal. So these are the rose. Okay, so these are Rose. Okay. And these are columns. Okay? Carlos. Yeah. So the question is asking us to find The element in the 2nd world. So obviously we're disqualifying this one and then we remain with second row And then he says 1st column. So this is column one column to column three, column 4. Right here. Okay, So that leaves us with what? Element one? It's in the 2nd rule. 1st column. So the element we're looking for is one Amendment is equal to one. Right. Right. Thank you for watching. I hope you found this helpful and have a great day.

We have been given no metrics. F f is equal toe 180 actual minus 13 minus do. And in between cortical Barry's given, we have to find out the element in the second row and second column to the second Drew on. This is the second call. So on Saturday minus 13. Next one, we have toe tell the element in the first row and third call. This is the first rule and third columnist. This one sold zero Belvita on so.

Hello guys. And this question I required to identify the elements in the second rule um of these metrics and first column. So first we need to identify what the rules and what is a column. This is the rule horizontal line of numbers and this is a column which is a vertical line of numbers. So we can say that this is Rule one and this is Rue too. Okay. Um I'd like to mention it from here, but there is no space. Uh this is uh Rule one and this is go to this column one. This is column to this column three. This is column for so he needs to identify the elements in the second room. This is the second group and the first element in the in the first column. This column. So uh It's the number he needs as one. So uh the number of second through first element is one and that's it.

In this question we have to find the value of c metrics that is given by the director of the N B. And we have to use the values of the N B from the 22 number questions Okay, I'm using the values of N B here. My trick says I can say that in the first two or 21 minus 10 In the 2nd row, 3 -205. Okay. And in the Third Go -2142. Here we have in the first column By 1 -1, 0. In the 2nd column -3. 20 and minus two. Okay? And in the third column we have 10 four and 3. Okay. Now we are going to make multiplication here. Okay. We can say that we should get a metrics. That is the product of Heroes with column. We have to multiply in this first of all here with this first column. Okay. And you can see here it means that too is multiplied by five. So we got here 10 One with one, we get one and -1 with -1, we get 100, get zero. Similarly with the second column to with minus three minus 61 with two to minus one with 000 with minus 20 Similarly with the third column two with 1 to 1 with 00 -1, with 4 -4, 0 with 30. Okay, similarly, now we have to take this second row here. Okay, with the first column we get three with 5, 15 minus two with one minus 20 with -10 and five with 00. Okay, now, with the second column three with minus three minus nine minus two and two minus 40 and 005 and minus two minus 10. Okay, Similarly, with the 3rd column three and 1 is 3 -2 and 00 And zero and 40 and five and 3 is 15. Similarly, now, we could take this third go -2 and 5 -10. One and one. Okay, that is one and four in minus one. That is minus four. 200 0. That is zero. Okay. With the second column minus two and minus 361 and two. That is to four and zero. That is zero to win minus two, that is minus four. Similarly, the third column minus student, one minus 21 and 004 and four. That is 16, two and three. That is, I can say that six year. Okay, no, I'm going to some of these elements, so I get the metrics, see That is equals two, This is too well, okay, this is -4, this is 2 -4, that is -2 here. And After that 15 -2 is 13 years. These changes into minus of 23 And this changes into 18 and this is -13 mrs yet four. Okay. And this is here 20. Now we have to show a specific element that is C 23 C 23 means second row And third column. Okay, this is second go. This is third column. Here is the element that is 18 years. Okay, So my answer here is 18. Mhm. Thank you.