Let A = [ 7 − 3 5 − 4 1 − 5 − 5 2 − 4 ] , v = [ 2 1 − 1 ] , and w = [ 7 6 − 3 ] . Suppose you know that the equations A x = v and A x = w are both consistent. What can you say about the equation A x = v + w ?
Let A = [ 7 − 3 5 − 4 1 − 5 − 5 2 − 4 ] , v = [ 2 1 − 1 ] , and w = [ 7 6 − 3 ] . Suppose you know that the equations A x = v and A x = w are both consistent. What can you say about the equation A x = v + w ?
Solution Summary: The author explains that the equation Ax=v+w is consistent. The column space of matrix A is a subspace of the vector space.
Let A =
[
7
−
3
5
−
4
1
−
5
−
5
2
−
4
]
, v =
[
2
1
−
1
]
, and w =
[
7
6
−
3
]
. Suppose you know that the equations Ax = v and Ax = w are both consistent. What can you say about the equation Ax = v + w?
Find [4x³ (In x)² dx.
O A.
1.4
X
x In²x +
In x +
O B.
x² ln² x
- ln x +
O C.
x ln x
O D.
x ln x
X
2
4
x²
2
2
X
4
2
ln x +
- ln x +
1.4
8
x4
8
4
x²
2
x4
8
+ C
+ C
+ C
+ C
Let B = [-1 1 4 -3] Find -4B
Let Z1 = 3 + i and Z2 = 5+2 i. Find 2 Z1
/(Z1 Z2)
- (14/5)-2 i O
(14/5)+2i O
- (14/5) + (2/5) i O
- (14/5)-(2/5) i O
Chapter 4 Solutions
Thomas' Calculus and Linear Algebra and Its Applications Package for the Georgia Institute of Technology, 1/e
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