If f(x), g(x), h(x) are polynomials of t...

If `f(x), g(x), h(x)` are polynomials of three degree, then `phi(x)=|(f'(x),g'(x),h'(x)), (f''(x),g''(x),h''(x)), (f'''(x),g'''(x),h'''(x))|` is a polynomial of degree (where `f^n (x)` represents nth derivative of f(x))

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