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How to find??????????????

How to find the number of real and distinct roots of a function and if possible how to find these roots? Give an example. Find the number of real and distinct roots of the function f(x) => x^8 + x^7 + x^5 + x^4 + 5 x + 8 = 0

Note by Abhishek Mohapatra
4 years, 3 months ago

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This has no real roots(Checked by computational method) Abhishek De · 4 years, 3 months ago

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What is computational method? Soham Dibyachintan · 4 years, 3 months ago

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i think it has relation with the Descartes Rule of signs, but it's hard to find the roots. Ed Mañalac · 4 years, 3 months ago

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