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

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TopNewestThis has no real roots(Checked by computational method) – Abhishek De · 3 years, 6 months ago

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What is computational method? – Soham Dibyachintan · 3 years, 6 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 · 3 years, 6 months ago

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