If f(x), h(x) are polynomials of degree ...

If `f(x), h(x)` are polynomials of degree 4 and `|(f(x), g(x),h(x)),(a, b, c),(p,q,r)|``=mx^4+nx^3+rx^2+sx+r` be an identity in x, then `|(f'''(0) - f''(0),g'''(0) - g''(0),h'''(0) -h''(0)),(a,b,c),(p,q,r)|` is

`2(3n+r)`

`3(2n-r)`

`3(2n+r)`

`2n(3n-r)`

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