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
The value of $'\alpha'$ for which the equation $x^3+ax+1=0$ and $x^4+ax^2+1=0$ have a common root is
\[\begin {array} {1 1} (a)\;-2 & \quad (b)\;-1 \\ (c)\;1 & \quad (d)\;2 \end {array}\]
jeemain
eamcet
math
2011
q31
Share
asked
Sep 20, 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
(a) -2
answered
Nov 7, 2013
by
pady_1
Please
log in
or
register
to add a comment.
Related questions
0
votes
1
answer
If $a \;>\;0$ and $b^2-4ac=0,$ then the curve $y=ax^2+bx+c$
asked
Sep 20, 2013
by
meena.p
jeemain
eamcet
math
2011
q29
0
votes
1
answer
From among the following, identify the correct order of plants which exhibit hypogynous, perigynous and epigynous flowers respectively
asked
Oct 27, 2013
by
thanvigandhi_1
jeemain
eamcet
biology
2011
q31
0
votes
1
answer
Let $\alpha \neq 1$ be a real root of the equation $x^3-ax^2+ax-1=0,$ where $a \neq -1 $ is a real number. Then a root of this equation, among the following, is :
asked
Sep 26, 2013
by
meena.p
jeemain
eamcet
math
2010
q14
0
votes
0
answers
If $1^{\circ}=\alpha$ radians then the approximate value of $\cos(60^{\circ}1')$ is
asked
Sep 20, 2013
by
meena.p
jeemain
eamcet
math
2011
q7
0
votes
1
answer
If $f(x) =|x|+ | \sin x|$ for $x \in \bigg(-\large\frac{\pi}{2},\frac{\pi}{2}\bigg),$ then its left hand derivative at $x=0$ is
asked
Sep 20, 2013
by
meena.p
jeemain
eamcet
math
2011
q5
0
votes
1
answer
The value of $b$ for which the eqns., $x^2+bx-1=0,\:x^2+x+b=0$ have one common root is
asked
Aug 5, 2013
by
rvidyagovindarajan_1
jeemain
math
class11
ch5
complex-numbers-and-quadratic-equations
quadratic-equations
medium
0
votes
1
answer
If 1,2,3 and 4 are the roots of the equation $x^4+ax^3+bx^2+cx+d=0$, then $a+2b+c$ is equal to
asked
Oct 24, 2013
by
meena.p
jeemain
eamcet
math
2007
q16
Ask Question
Tag:
Math
Phy
Chem
Bio
Other
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
...