Grade 12Algebra
Dear sir please find the attached answer as soon as possible
Dear sir please find the attached answer as soon as possible
2 Answers
Arun
Dear student
just find out A^2 = [ 7. 12
4. 7]
A = [ 2. 3
1. 2]
hence A^2 – 4A = [ – 1. 0
0. – 1]
hence A^2 – 4A + I = 0
hence proved
ranjan saha
- The charateristic equation of matrix A is
i.e. (2-x)2-3=0 i.e. x2-4x+1=0
Hence by Cay lay hamilton theorem A2-4A+I2=O2. (Proved)
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