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[" 64.If "|[x-4,2x,2x],[2x,x-4,2x],[2x,2...

[" 64.If "|[x-4,2x,2x],[2x,x-4,2x],[2x,2x,x-4]|=(A+Bx)(x-A)^(2)],[" then the ordered pair "(A,B)" is equal to "]

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|[x+4,2x,2x] , [2x,x+4,2x] , [2x,2x,x+4]|=(5x+4)(x-4)^2

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Prove that: |[x+4,2x,2x],[2x,x+4,2x],[2x,2x,x+4]|=(5x+4)(4-x)^2 .

Show that |(x+4,2x,2x),(2x,x+4,2x),(2x,2x,x+4)|=(5x+4)(4-x)^(2)

det [[x + 4,2x, 2x2x, x + 4,2x2x, 2x, x + 4]]

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Solve : |(x+4, 2x,2x),(2x , x+4, 2x),(2x, 2x, x+4)| = 0

If |(x,2,x),(x^(2),x,6),(x,x,6)|=ax^(4) + bx^(3)+cx^(2)+dx +e , then 5a+4b+3c+2d+e is equal to