AP EAMCET · Maths · Straight Lines
If the equation
\(a x^2+2 h x y+b y^2+2 g x+2 f y+c=0\) represents two straight lines equidistant from the origin, then \(f^4-g^4=\)
- A \(b f^2-a g^2\)
- B \(a g^2-b f^2\)
- C \(c\left(b f^2-a g^2\right)\)
- D \(c\left(a f^2-b g^2\right)\)
Answer & Solution
Correct Answer
(C) \(c\left(b f^2-a g^2\right)\)
Step-by-step Solution
Detailed explanation
Let the lines represented by equation…
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
- \(\int \frac{5 x^2+3}{x^2\left(x^2-2\right)} d x=\)AP EAMCET 2017 Medium
- If \(x\) is the number of ways in which six women and six men can be arranged to sit in a row such that no two women are together and if \(y\) is the number of ways they are seated around a table in the same manner, then \(x: y=\)AP EAMCET 2018 Medium
- If \(\alpha, \beta, \gamma\) are the roots of the equation \(x^3+a x^2+b x+c=0\), then \((\alpha+\beta-2 \gamma)(\beta+\gamma-2 \alpha)(\gamma+\alpha-2 \beta)=\)AP EAMCET 2025 Medium
- For all \(n \in N,(n+24)(n+25)(n+26)(n+27)\) is divisible byAP EAMCET 2021 Medium
- Let \(a_0, a_1, a_2, \ldots a_n \in R\) be in an arithmetic progression and let \(C_0, C_1, C_2, \ldots, C_n\) be the binomial coefficients. Then \(\sum_{k=0}^n a_k \cdot C_k=\)AP EAMCET 2019 Medium
- \(3 \hat{i}-2 \hat{j}-\hat{k},-2 \hat{i}-\hat{j}+3 \hat{k}\) and \(-\hat{i}+3 \hat{j}-2 \hat{k}\) are the position vectors of the vertices \(A, B\) and \(C\) of a \(\triangle A B C\) respectively.
If \(\mathrm{H}\) is its orthocenter, then \(\overrightarrow{\mathrm{HA}}+\overrightarrow{\mathrm{HB}}+\overrightarrow{\mathrm{HC}}=\)AP EAMCET 2023 Hard
More PYQs from AP EAMCET
- Mean of the values . is______AP EAMCET 2021 Medium
- If and then the value of isAP EAMCET 2021 Easy
- The path difference between two waves given by the equations \(y_1=a_1 \sin \left(\omega t-\frac{2 \pi x}{\lambda}\right)\) and \(y_2=a_2 \sin \left(\omega t-\frac{2 \pi x}{\lambda}+\phi\right)\) isAP EAMCET 2025 Easy
- If the median AD of the triangle ABC is bisected at E and BE meets AC in F, then \(\mathrm{AF}: \mathrm{AC}=\)AP EAMCET 2025 Medium
- The direction cosines of the line which is perpendicular to the lines with direction cosines proportional to \(\langle 1,-2,-2\rangle\) and \(\langle 0,2,1\rangle\) is given byAP EAMCET 2020 Easy
- \(\lim _{x \rightarrow 0} \frac{e^x-e^{\sin x}}{2(x-\sin x)}\)AP EAMCET 2007 Medium