AP EAMCET · Maths · Pair of Lines
The angle between lines represented by \(\left(\sin ^2 \alpha\right) y^2-2 x y\left(\cos ^2 \alpha\right)+\left(\cos ^2 \alpha-1\right) x^2=0\) is
- A \(2 \alpha\)
- B \(\alpha\)
- C \(90^{\circ}\)
- D \(45^{\circ}\)
Answer & Solution
Correct Answer
(C) \(90^{\circ}\)
Step-by-step Solution
Detailed explanation
Pair of straight lines \[ \left(\sin ^2 \alpha\right) y^2-2 x y \cos ^2 \alpha+\left(\cos ^2 \alpha-1\right) x^2=0 \] Standard form…
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