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M=a-522a-2 ,  N=-12-32104-25 ,  P= -2a+b-c-2b+c-aa+bc2ab

N2-5N+4I নির্ণয় কর।

Created: 1 year ago | Updated: 1 year ago
Updated: 1 year ago

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AB=3x-4x2x-2xx0-x-xxx2x-2x2x5x-4x3x7x-5x

=x3-42-210-1-11 .x 12-225-437-5=x2100010001 =x2000x2000x2

অনুরূপভাবে, BA=x2000x2000x2 

অতএব, AB = BA

অতএব,  x2I1x2A =B-1 I B-1=B-1=Ax2=3x-4x2x-2x1x0-1x-1x1x 

অতএব, B-1=Ax2

 

 

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