Consider p(s) = s³ + a₂s² + a₁s + a₀ with all real coefficients. It is known…
GATE · 2018 · EC · Electronics and Communication Engineering
Consider p(s) = s³ + a₂s² + a₁s + a₀ with all real coefficients. It is known that its derivative p′(s) has no real roots. The number of real roots of p(s) is
- A.
0
- B.
1
- C.
2
- D.
3
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