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If f (z)=3z^(3)+mz^(2)-4z+n and 2 and 3 ...

If f `(z)=3z^(3)+mz^(2)-4z+n` and `2` and `3` are the roots of the equation `f(z)=0`, then the value of m is

A

`-(7)/(5)`

B

`(-27)/(5)`

C

`-(53)/(5)`

D

`-(83)/(5)`

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