AP EAMCET · Maths · Pair of Lines
A pair of perpendicular straight lines passes through the origin and also through the point of intersection of the curve \(x^2+y^2=4\) with \(x+y=a\). The set containing the value of ' \(a\) ' is
- A \(\{-2,2\}\)
- B \(\{-3,3\}\)
- C \(\{-4,4\}\)
- D \(\{-5,5\}\)
Answer & Solution
Correct Answer
(A) \(\{-2,2\}\)
Step-by-step Solution
Detailed explanation
To make the given curves \(x^2+y^2=4\) and \(x+y=a\) homogeneous.…
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
- \(\int \sin ^3(x) \cdot \cos ^3(x) d x=\)AP EAMCET 2020 Medium
- The domain of the function \(f(x)=\frac{1}{\sqrt{|x|-x}}\) isAP EAMCET 2021 Easy
- If \((1+\tan \alpha)(1+\tan 4 \alpha)=2, \alpha \in\left(0, \frac{\pi}{16}\right)\), then \(\alpha\) is equal toAP EAMCET 2016 Easy
- In \(\triangle A B C, a=6 \mathrm{~cm}, b=10 \mathrm{~cm}\) and \(c=14 \mathrm{~cm}\). Then, the sum of the acute angles of the triangle isAP EAMCET 2021 Medium
- The line \(x+y+2=0\) intersect the circle \(x^2+y^2+4 x-\) \(4 y-4=0\) in two points \(A\) and \(B\). Let \(S \equiv x^2+y^2+2 g x+\) \(2 \mathrm{fy}+\mathrm{c}=0\) be a different circle passing through the points \(A\) and \(B\). If the distance of the centre of \(S=0\) from \(A B\) is \(\sqrt{2}\), then \(\mathrm{g}+\mathrm{f}+\mathrm{c}=\)AP EAMCET 2023 Medium
- If the surface area of a spherical bubble is increasing at the rate of \(4 \mathrm{sq}. \mathrm{cm} / \mathrm{sec}\), then the rate of change in its volume (in cubic \(\mathrm{cm} / \mathrm{sec}\) ) when its radius is 8 cms isAP EAMCET 2025 Medium
More PYQs from AP EAMCET
- The number of turns in primary and secondary coils of a transformer is 50 and 200 respectively. If the current in the primary coil is \(4 \mathrm{~A}\), then the current in the secondary coil isAP EAMCET 2008 Easy
- A photo sensitive metallic surface emits electrons when X-rays of wavelength \(\lambda\) fall on it. The de-Broglie wavelength of the emitted electrons is (Neglect the work function of the surface, \(m\) is mass of the electron, \(h\) is Planck's constant, \(c\) is the velocity of light)AP EAMCET 2016 Hard
- If \((-2, 6)\) is the image of the point \((4, 2)\) with respect to the line \(L = 0\), then \(L\) is equal toAP EAMCET 2002 Easy
- Match the following.

The correct answer is
\begin{array}{llllllllll}
& A & B & C & D &
\end{array}AP EAMCET 2018 Medium - emits and particles and gets converted into a lead. The mass number and atomic number of lead is _____AP EAMCET 2020 Easy
- Electrostatic force between two identical charges placed in vacuum at distance of is . A slab of width and dielectric constant is inserted between these two charges, then the force between the charges isAP EAMCET 2022 Hard