If `f(x)=|x+a^2a b a c a b x+b^2b c a bb c x+c^2|,fin df^(prime)(x)dot`

Explanation

`f(x)=[[x^{2}+a^{2} , a b, a c],[
a b ,x+b^{2}, b c],[
a b , b c , x+c^{2}]]`


`f(x)=[(x^{2}+a^{2})(x+b^{2})(x+c^{2})+2 a^{2} b^{2} c^{2}]`


`=[a^{2} b c(x+b^{2}) g+b^{2} c^{2}(x+a^{2})
+a^{2} b^{2}(x+c^{2})]`
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