In Exercises 57-60, identify the reasoning process, induction or deduction, in each example. Explain your answer . It can be shown that 1 + 2 + 3 + ⋅ ⋅ ⋅ + n = n ( n + 1 ) 2 I can use this formula to conclude that the sum of the first one hundred counting numbers, 1 + 2 + 3 + ⋅ ⋅ ⋅ + 100 , is 100 ( 100 + 1 ) 2 = 100 ( 101 ) 2 = 50 ( 101 ) , or 5050.
In Exercises 57-60, identify the reasoning process, induction or deduction, in each example. Explain your answer . It can be shown that 1 + 2 + 3 + ⋅ ⋅ ⋅ + n = n ( n + 1 ) 2 I can use this formula to conclude that the sum of the first one hundred counting numbers, 1 + 2 + 3 + ⋅ ⋅ ⋅ + 100 , is 100 ( 100 + 1 ) 2 = 100 ( 101 ) 2 = 50 ( 101 ) , or 5050.
Solution Summary: The author explains that the given statement is a deduction or deductive reasoning because that student proved the specific conclusion after looking at all the different statements.
5
-2
0
1
6 12
Let A
=
6
7
-1
and B =
1/2 3 -14
-2 0
4
4
4
0
Compute -3A+2B and call the resulting matrix R.
If rij represent the individual entries in the matrix R, what numeric value is in 131?
Input your answer as a numeric value only.
1
-2
4
10
My goal is to put the matrix
5
-1
1
0 into row echelon form using Gaussian elimination.
3
-2
6
9
My next step is to manipulate this matrix using elementary row operations to get a 0 in the a21 position.
Which of the following operations would be the appropriate elementary row operation to use to get a 0 in
the a21 position?
O (1/5)*R2 --> R2
○ 2R1 + R2 --> R2
○ 5R1+ R2 --> R2
O-5R1 + R2 --> R2
The 2x2 linear system of equations -2x+4y = 8 and 4x-3y = 9 was put into the following
-2 4
8
augmented matrix:
4
-3
9
This augmented matrix is then converted to row echelon form. Which of the following matrices is the
appropriate row echelon form for the given augmented matrix?
0
Option 1:
1
11
-2
Option 2:
4
-3 9
Option 3:
10
܂
-2
-4
5
25
1
-2
-4
Option 4:
0 1
5
1 -2
Option 5:
0
0
20
-4
5
○ Option 1 is the appropriate row echelon form.
○ Option 2 is the appropriate row echelon form.
○ Option 3 is the appropriate row echelon form.
○ Option 4 is the appropriate row echelon form.
○ Option 5 is the appropriate row echelon form.
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