trinity199 trinity199

29-03-2017
Mathematics

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what are the zero(s) of the function f(x)4x^2-36x/x-9

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Аноним Аноним

29-03-2017

4x^2-36x/x-9
= 4x(x-9) / (x-9)

if 4x = 0, ⇒ x = 0
x-9 ≠ 0

zero of function is 0.

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