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anonymous
 one year ago
one of the zeros of the function f(x)=x^4+2x^313x^238x24 is x=3, find the other zeros of the function
anonymous
 one year ago
one of the zeros of the function f(x)=x^4+2x^313x^238x24 is x=3, find the other zeros of the function

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IrishBoy123
 one year ago
Best ResponseYou've already chosen the best response.0obvious approach long divide \(x^4+2x^313x^238x24\) by \(x+3\)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@IrishBoy123 could you use synthetic division?

IrishBoy123
 one year ago
Best ResponseYou've already chosen the best response.0of course, you can do anything you like i am starting to think that this looks like it needs the Rational Root Theorem, despite the bad clues that were left lying around In which case, i summon the master: @welshfella

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0+/ 1 , +/ 2 +/ 4 are some of the possible roots

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0f!1) = not = 0 f(1) = 0 so 1 is one root

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0you could now divide the function by (x + 3)( x + 1) to get another quadratic which you can solve

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0or compute f(2) f(2,) f(4), f(4)

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0the first option would probably be the quickest

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0use synthetic division
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