If under the bilinear transformation W 19 W 2, W 3, W 4 are the images of Z₁, Z2, Z3, Z4 respectively, then show that cross-ratio of w₁, W2, W 39 W 4 is equal to the cross-ratio of Z₁, Z2, Z3, Z4 i.e. T [W1 W2 W3 W4] = [Z1 Z2 Z3 Z4].

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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W
19 W 29 W 39
then show
cross-ratio
If under the bilinear transformation
W 4
are the images of Z₁, Z2, Z3, Z4 respectively,
that cross-ratio of w₁, W2, W 3, W4 is equal to the
W 19
of Z₁, Z2, Z3, Z4 i.e.
[W₁ W2 W3 W4] = [Z₁ Z2 Z3 Z4].
Transcribed Image Text:W 19 W 29 W 39 then show cross-ratio If under the bilinear transformation W 4 are the images of Z₁, Z2, Z3, Z4 respectively, that cross-ratio of w₁, W2, W 3, W4 is equal to the W 19 of Z₁, Z2, Z3, Z4 i.e. [W₁ W2 W3 W4] = [Z₁ Z2 Z3 Z4].
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