3. Prove that A=I-N+N²_N³ for A & N defined as follows: N=A–I (identity), where 1 0 0 & I=|0 1 0 1 a12 d13 A=0 1 A 23 1 0 0 1

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter3: Triangles
Section3.5: Inequalities In A Triangles
Problem 35E: Prove by the indirect method: Given: MPN is not isosceles Prove: PMPN
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3. Prove that A=I-N+N²–N³ for A & N defined
as follows: N=A-I (identity), where
1 0 0
& I=0 1 0
0 0
1 a12 a13
A=0
1
d23
1
0 1
Transcribed Image Text:3. Prove that A=I-N+N²–N³ for A & N defined as follows: N=A-I (identity), where 1 0 0 & I=0 1 0 0 0 1 a12 a13 A=0 1 d23 1 0 1
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