Ask Questions, Get Answers
Menu
X
JEEMAIN Crash Practice
15 Test Series
NEET Crash Practice
15 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
15 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
login
X
ASK
Home
>>
AIMS
The coefficients of the middle terms in the binomial expansion in powers of x of $(1+\alpha x)^4$ and of $(1- \alpha x )^6$ are the same if $\alpha$ equals
$\begin{array}{1 1}(A)\;\frac{-5}{3} \\(B)\;\frac{3}{5} \\(C)\;\frac{-3}{10} \\ (D)\;\frac{10}{3} \end{array} $
aims
class-xii
q27
Share
asked
Apr 11, 2014
by
meena.p
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1 Answer
$\large\frac{10}{3} $
Hence D is the correct answer.
answered
Apr 11, 2014
by
meena.p
Please
log in
or
register
to add a comment.
Related questions
the coefficients of the middle term in the binomial expansion in powers of x of (1+alpha x)^6 is same if alpha equals
math
asked
Apr 2
by
farzanaishak123
0
answers
If the coefficient of middle terms in $(1+\alpha x)^4$ and $(1-\alpha x)^6$ is same then $\alpha =?$
jeemain
math
class11
ch8
binomial-theorem
general-and-middle-terms
medium
asked
Sep 17, 2013
by
rvidyagovindarajan_1
1
answer
If the coefficients of the three successive terms in the binomial expansion of $(1+x)^n$ are in the ratio $1 : 7 : 42$, then the first of these terms in the expansion is :
jeemain
2015
maths
set e
asked
Sep 29, 2015
by
meena.p
1
answer
Given the integers $r > 1,n > 2$ and coefficients of $(3r)^{th}$ and $(r+2)^{nd}$ terms in the binomial expansion of $(1+x)^{2n}$ are equal then
cbse
math
class11
ch8
binomial-theorem
exemplar
q19
sec-b
medium
asked
Jun 24, 2014
by
sreemathi.v
1
answer
True or False : The sum of coefficients of the two middle terms in the expansion of $(1+x)^{2n-1}$ is equal to $2n-1C_n$.
cbse
math
class11
ch8
binomial-theorem
exemplar
q37
sec-a
easy
asked
Jun 25, 2014
by
sreemathi.v
1
answer
The two successive terms in the expansion of $(1+x)^{24}$ whose coefficients are in the ratio $ 1 : 4$ are
cbse
math
class11
ch8
binomial-theorem
exemplar
q20
sec-b
medium
asked
Jun 24, 2014
by
sreemathi.v
1
answer
If two rods of length L and 2L having coefficients of linear expansion $\;\alpha\;$ & $\;2 \alpha\;$ respectively are connected such that length becomes 3L ,The average coefficient of linear expansion of the composite rod equals ---
jeemain
physics
class11
cbse
thermodynamics
difficult
asked
Mar 15, 2014
by
yamini.v
1
answer
Ask Question
Tag:
Math
Phy
Chem
Bio
Other
SUBMIT QUESTION
►
Please Wait
Take Test
JEEMAIN Crash Practice
15 Test Series
NEET Crash Practice
15 Test Series
JEEMAIN
350+ TESTS
NEET
320+ TESTS
CBSE XI MATH
50+ TESTS
CBSE XII MATH
80+ TESTS
...
X