SymiaX485734
SymiaX485734
03-11-2022
Mathematics
contestada
Find the real zeros of f (x) =45x -5x^3
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GhassanY698622
GhassanY698622
03-11-2022
We will have the following:
[tex]f(x)=45x-5x^3\Rightarrow f(x)=-5x(x^2-9)[/tex][tex]\Rightarrow f(x)=-5x(x-3)(x+3)[/tex]
So, its zeros are x = -3, x = 0 & x = 3.
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