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If f(x)=|[a,-1, 0],[a x, a,-1],[a x^2,a ...

If `f(x)=|[a,-1, 0],[a x, a,-1],[a x^2,a x, a]|,t h e nf(2x)-f(x)` is divisible by (a) `a` (b) `b` (c) `c ,d ,e` (d) none of these

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