Ask Questions, Get Answers
Menu
X
JEEMAIN Crash Practice
15 Test Series
NEET Crash Practice
5 Test Series
CBSE XII
Math
JEEMAIN
Math
Physics
Chemistry
Practice Test Series
CBSE XI
Math
NEET
Physics
Chemistry
Biology - XII
Biology - XI
Olympiad class V
Math - 5 Test Series
Olympiad class VI
Math - 5 Test Series
studyplans
JEEMAIN Crash Practice
15 Test Series
NEET Crash Practice
5 Test Series
CBSE XII
Math
JEEMAIN
Math
Physics
Chemistry
Practice Test Series
CBSE XI
Math
NEET
Physics
Chemistry
Biology - XII
Biology - XI
Olympiad class V
Math - 5 Test Series
Olympiad class VI
Math - 5 Test Series
mobile
exams
ask
sample papers
tutors
pricing
sign-in
Download our FREE mobile app with 1000+ tests for CBSE, JEE MAIN, NEET
X
Search
Topics
Want to ask us a question?
Click here
Browse Questions
Student Questions
Ad
Home
>>
EAMCET
>>
Mathematics
0
votes
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
\[\begin {array} {1 1} (1)\;\{-2,2 \} & \quad (2)\;\{-3,3\} \\ (3)\;\{-4,4\} & \quad (4)\;\{5,5\} \end {array}\]
jeemain
eamcet
math
2008
q50
Share
asked
Oct 17, 2013
by
meena.p
Please
log in
or
register
to add a comment.
Can you answer this question?
Do not ask me again to answer questions
Please
log in
or
register
to answer this question.
1 Answer
0
votes
(1) {-2,2}
answered
Nov 7, 2013
by
pady_1
Please
log in
or
register
to add a comment.
Related questions
0
votes
1
answer
A pair of perpendicular lines passes through the origin and also through the points of intersection of the curve $x^2+y^2 =4$ with $x+y=a,$ where $a > 0$. Then $a=$
asked
Sep 27, 2013
by
meena.p
jeemain
eamcet
math
2010
q47
0
votes
0
answers
The product of the perpendicular distances from the origin on the pair of straight lines $12x^2+25xy+12y^2+10x+11y+z=0$ is :
asked
Nov 12, 2013
by
meena.p
jeemain
eamcet
math
2005
q50
0
votes
1
answer
The angle between the pair of straight lines formed by joining the points of intersection of $x^2+y^2=4$ and $y=3x+c$ to the origin is a right angle. Then $c^2$ is equal to
asked
Oct 25, 2013
by
meena.p
jeemain
eamcet
math
2007
q49
0
votes
1
answer
The locus of center of a circle which passes through the origin and cuts off a length of 4 units from the line $x=3$ is :
asked
Oct 10, 2013
by
meena.p
jeemain
eamcet
math
2009
q50
0
votes
1
answer
If $p$ and $q$ are the perpendicular distance from the origin to the straight lines $x\; \sec \theta-y \;cosec \theta=a$ and $x \cos \theta+ y \sin \theta= a \cos 2 \theta,$ then
asked
Sep 16, 2013
by
meena.p
jeemain
eamcet
math
2013
q43
0
votes
1
answer
If the equation $ax^2+2hxy+by^2+2gx+2fy+c=0$ represents a pair of straight lines, then the square of the distance of their point of intersection from the origin is
asked
Sep 16, 2013
by
meena.p
jeemain
eamcet
math
2013
q48
0
votes
1
answer
The equation of the straight line perpendicular to the straight line $3x+2y=0$ and passing through the point of intersection of the lines $x+3y-1=0$ and $x-2y+4=0$ is :
asked
Oct 10, 2013
by
meena.p
jeemain
eamcet
math
2009
q45
Ask Question
SUBMIT QUESTION
►
Please Wait
Take Test
JEEMAIN Crash Practice
15 Test Series
NEET Crash Practice
5 Test Series
JEEMAIN
350+ TESTS
NEET
320+ TESTS
CBSE XI MATH
50+ TESTS
CBSE XII MATH
80+ TESTS
x
JEE MAIN, CBSE, NEET Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App
...