1.

If Delta_1=|{:(x,b,b),(a,x,b),(a,a,x):}|and Delta_2=|{:(x,b),(a,x):}| are given determinants then,

Answer»

`Delta_1=3(Delta_2)^2`
`d/(DX)(Delta_1)=3Delta_2`
`d/(dx)(Delta_1)=3Delta_2^2`
`Delta_1=3(Delta_2)^(3/2)`

ANSWER :B


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