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যোগজীকরণ কর : 2lnxdx

Created: 1 year ago | Updated: 1 year ago

Let, I=2lnxdx=2lnxdx-ddx2lnxdxdx

=2lnx.x-2lnx.ln2.1x.x dx=x 2lnx-ln22lnxdx

=x 2lnx-I.ln2

 I+I ln2=x 2lnx

II+ln2=x 2lnx

I=x 2lnx1+ln2+C

1 year ago

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AB=3x-4x2x-2xx<... td>0-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

 

 

1 year ago

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