1.

Let matrixA=[(x,3,2),(1,y,4),(2, 2,z)], " if " xyz=2lambda and 8x+4y+3x=lambda+28, then (adj A) A equals :

Answer»

`[(LAMBDA+1,0,0),(0,lambda+1,0),(0,0,lambda+1)]`
`[(lambda,0,0),(0,lambda,0),(0,0,lambda)]`
`[(lambda^(2),0,0),(0,lambda^(2),0),(0,0,lambda^(2))]`
`[(lambda+2,0,0),(0,lambda+2,0),(0,0,lambda+2)]`

ANSWER :B


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