TS EAMCET · Maths · Circle
If the angle between the circles \(x^2+y^2-2 x+2 y+1=0\) and \(x^2+y^2+2 x-2 y+k=0\) is \(\frac{\pi}{3}\), then
- A \(\mathrm{k}\) is a rational number but not an integer
- B \(\mathrm{k}\) is an irrational number
- C there is no real number \(\mathrm{k}\) satisfying the given condition
- D \(\mathrm{k}\) is an integer
Answer & Solution
Correct Answer
(B) \(\mathrm{k}\) is an irrational number
Step-by-step Solution
Detailed explanation
Angle between circles :…
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