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ICSE Class 10 Answered

3) Let A = [[2, 3, 1] [3, 4, 2] [2, 2, 0]] |A|=2(0-4)-3(0-4)+|(6-8)=-8+12-2=2 ne0
Asked by ameenasultan19 | 24 Mar, 2022, 08:27: PM
Expert Answer
A matrix A is given as
A equals open square brackets table row 2 3 1 row 3 4 2 row 2 2 0 end table close square brackets
N o w comma space open vertical bar A close vertical bar equals 2 left parenthesis 0 minus 4 right parenthesis minus 3 left parenthesis 0 minus 4 right parenthesis plus 1 left parenthesis 6 minus 8 right parenthesis equals negative 8 plus 12 minus 2 equals 2 not equal to 0
S o comma space A space i s space a space n o n minus sin g u l a r space m a t r i x.
T h u s comma space A to the power of negative 1 end exponent space e x i s t s
Answered by Renu Varma | 29 Mar, 2022, 10:17: AM
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