Consider a matrix A of the form A = [ a b b − a ] , where a 2 + b 2 = 1 and a ≠ 1 . Find the matrix B of the linear transformation T ( x → ) = A x → with respect to the basis [ b 1 − a ] , [ a − 1 b ] . Interpret the answer geometrically.
Consider a matrix A of the form A = [ a b b − a ] , where a 2 + b 2 = 1 and a ≠ 1 . Find the matrix B of the linear transformation T ( x → ) = A x → with respect to the basis [ b 1 − a ] , [ a − 1 b ] . Interpret the answer geometrically.
Solution Summary: The author explains how to find matrix B of linear transformation.
Consider a matrix A of the form
A
=
[
a
b
b
−
a
]
, where
a
2
+
b
2
=
1
and
a
≠
1
. Find the matrix B of the linear transformation
T
(
x
→
)
=
A
x
→
with respect to the basis
[
b
1
−
a
]
,
[
a
−
1
b
]
. Interpret the answer geometrically.
Question 14 (1 point)
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The frame on a picture is 18 in by 22 in outside and is of uniform width. Using
algebraic methods, what is the width of the frame if the inner area of the picture
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units).
18 in
Your Answer:
22 in
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X
15 feet
Your Answer:
19 feet
X
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Your Answer:
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