AP EAMCET · Maths · Quadratic Equation
If \(\alpha\) and \(\beta\) are two distinct negative roots of \(x^5-5 x^3+5 x^2-1=0\), then the equation of least degree with integer coefficients having \(\sqrt{-\alpha}\) and \(\sqrt{-\beta}\) as its roots is
- A \(x^2-3 x+1=0\)
- B \(-x^4+5 x^2-5 x+1=0\)
- C \(-x^4-5 x^2+5 x+1=0\)
- D \(x^4-3 x^2+1=0\)
Answer & Solution
Correct Answer
(D) \(x^4-3 x^2+1=0\)
Step-by-step Solution
Detailed explanation
\(x^5-5 x^3+5 x^2-1=0\) By inspection \(x=1\) is a root…
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