AP EAMCET · Maths · Pair of Lines
Find the angle between the pair of lines represented by the equation .
- A
- B
- C
- D
Answer & Solution
Correct Answer
(C)
Step-by-step Solution
Detailed explanation
We have the equation of a pair of a straight lines x2+4xy+y2=0 , So, the angle between the pair of straight lines is θ=tan-1222-11+1=tan-13=60°
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Maths
- If \(\cos (A-B)=3 / 5\) and \(\tan A \tan B=2\), then which one of the following is true?AP EAMCET 2007 Medium
- Let \(P(x)=x^4+a x^3+b x^2+c x+d\) be such that \(x=0\) is the only real root of \(\mathrm{P}^1(\mathrm{x})=0\). If \(\mathrm{P}(-1) < \mathrm{P}(1)\), then in the interval \([-1,1]\)AP EAMCET 2025 Hard
- \(2 x-3 y+1=0\) and \(4 x-5 y-1=0\) are the equations of two diameters of the circle \(S \equiv x^2+y^2+2 g x+2 f y-11=0\). Q and R are the points of contact of the tangents drawn from the point \(P(-2,-2)\) to this circle. If C is the centre of the circle \(S=0\), then the area (in square units) of the quadrilateral \(P Q C R\) isAP EAMCET 2024 Hard
- The cartesian equation of the plane passing through the point \((3,-2,-1)\) and parallel to the vectors \(\mathbf{b}=\hat{\mathbf{i}}-2 \hat{\mathbf{j}}+4 \hat{\mathbf{k}}\) and \(\mathbf{c}=3 \hat{\mathbf{i}}+2 \hat{\mathbf{j}}-5 \hat{\mathbf{k}}\) isAP EAMCET 2015 Medium
- The equation of a straight line which passes through the point and perpendicular to isAP EAMCET 2021 Easy
- If , thenAP EAMCET 2022 Easy
More PYQs from AP EAMCET
- If \(x \neq \frac{-3}{\sqrt{2}}\), then \(\int \frac{x^2}{2 x^2+6 \sqrt{2} x+9} d x=\)AP EAMCET 2019 Hard
- Let \(z\) and \(w\) be two complex numbers such that \(\bar{z}+i \bar{w}=0\) and \(\operatorname{Arg}(z w)=\pi\). Then, \(\operatorname{Arg} z=\)AP EAMCET 2022 Easy
- Two towns \(A\) and \(B\) are connected by a regular bus service with a bus leaving in either direction every \(T\) min. A man cycling with a speed of \(20 \mathrm{~km} / \mathrm{h}\) from \(A\) to \(B\) notices that a bus travelling in the direction of his motion goes past him every \(18 \mathrm{~min}\) and every \(6 \mathrm{~min}\) he notices a bus travelling in the opposite direction go past him. Assuming that, the buses travel with a constant speed. Find \(T\) and the constant speed of the buses.AP EAMCET 2021 Medium
- Name the kind of silicate formed, when two silicate units \(\left(\mathrm{SiO}_4\right)^{4-}\) share one oxygen atom.AP EAMCET 2020 Medium
- With increasing Principal Quantum number, the energy difference between adjacent energy levels in H-atomAP EAMCET 2021 Easy
- Impure silver ore \(+\mathrm{CN}^{-}+\mathrm{H}_2 \mathrm{O} \xrightarrow{\mathrm{O}_2}[\mathrm{X}]^{-}+\mathrm{OH}^{-}\)
\([\mathrm{X}]^{-}+\mathrm{Zn} \longrightarrow[\mathrm{Y}]^{2-}+\mathrm{Ag}\) (pure)
The co-ordination numbers of the metals in \([\mathrm{X}]\). ( Y\(]\) are respectivelyAP EAMCET 2024 Medium