TS EAMCET · Maths · Quadratic Equation
If \(x^2+3 x-2 k=0\) and \(x^2-2 x-7 k=0\) have a non-zero common root, then the positive root of the equation \(k x^2+\) \((k+2) \mathrm{x}-(\mathrm{k}+1)=0\) is
- A \(2\)
- B \(\frac{2}{5}\)
- C \(3\)
- D \(\frac{3}{5}\)
Answer & Solution
Correct Answer
(D) \(\frac{3}{5}\)
Step-by-step Solution
Detailed explanation
\(x^2+3 x-2 K=0\)…
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