Question

Asked Apr 2, 2019

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determine the number of possible positive and negative real zeros for the given function

f(x) = -8x7 - 7x^{4 }- 6x^{3} + 4x^{2} + 6x + 5

Step 1

The given function,

Step 2

**Result used:**

Descartes’s Rule of Signs:

Step 3

Find the possibilities for positive real zeros, it is enough to cou...

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