Math, asked by durgaakumari, 3 months ago

determinant properties question ​

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Answered by chandanapukalyani
0

Step-by-step explanation:

if we expand det we get R.H.S

1+a((1+b)(1+c)-1) -1(1+c-1) +1(1-(1+b))

1+a(1+b+c+bc-1)-c-b

=b+c+bc+ab+ac+abc-c-b

=bc+ab+ac+abc.

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