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OpenStudy (anonymous):
The equation 4 x^(3)e^(-3 x) - 5 x^(4)e^(-3 x)= 0 has two roots. the bigger root is the smaller root is
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OpenStudy (jdoe0001):
\(\bf 4x^3e^{-3x}-5x^4e^{-3x}=0\\ \textit{getting common factor}\\ \\ x^3e^{-3x}(\square? - \square?)=0\)
OpenStudy (anonymous):
thnks
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