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OpenStudy (anonymous):
Find the zeros of f. f(x)= x^7 (4e^(4x)) + 7x^6e^(4x)
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myininaya (myininaya):
\[x^7*4e^{4x}+7x^6e^{4x}=x^6e^{4x}(4x+7)=0\] so we have x=0 and x=-7/4
OpenStudy (anonymous):
Ohhhhhhh I see, you factor it out!!! Thanks!!!!
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