AP EAMCET · Maths · Quadratic Equation
If the roots of \(x^3-k x^2+14 x-8=0\) are in geometric progression, then \(k\) is equal to
- A \(-3\)
- B \(7\)
- C \(4\)
- D \(0\)
Answer & Solution
Correct Answer
(B) \(7\)
Step-by-step Solution
Detailed explanation
Given equation, \(x^3-k x^2+14 x-8=0\) Roots of the above equation is in G.P. So let \(\frac{a}{r}, a\) and \(a r\) are the roots of equation. Then, product of roots…
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