pupil12378 pupil12378

19-10-2020
Mathematics

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find the number of possible positive real zeros of f(x)= -7x^4+ 49x^3+ 84x^2.
A.three
B.two or none
C.one
D.none

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x48f2frqnb x48f2frqnb

19-10-2020

B.Two is your answer

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