The number of positive real roots for polynomial equation f(x) is given by________.

Degree of the equation

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No. of times sign is changing in f(-x)

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No. of times sign is changing in f(x)

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Total number of positive terms in f(x)

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Solution

The correct option is C
No. of times sign is changing in f(x)

The number of positive real roots for polynomial equation f(x) is given by No. of times sign is changing in f(x)

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Similar questions

The number of positive real roots for polynomial equation f(x) is given by________.

Find the number of complex roots for a 12^th degree polynomial f(x) if there is no positive and negative real roots but f(0) = 0.

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x^{3} - 3 a x^{2} + (27 a^{2} + 9) x + 2016 = 0

f (x) = x^{2} - 4 a x + 5 a^{2} - 6 a .

p :

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q :

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