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Recent questions in Bionomial Theorem and Simple Applications
Questions
>>
JEEMAIN and NEET
>>
Mathematics
>>
Class11
>>
Bionomial Theorem and Simple Applications
In the binomial expansion of
(
1
+
a
x
)
n
, the first three terms are
1
+
12
x
+
64
x
2
, then
n
=
?
jeemain
math
class11
ch8
binomial-theorem
general-and-middle-terms
medium
asked
Sep 26, 2013
by
rvidyagovindarajan_1
1
answer
n
C
0
-
n
C
1
2
+
n
C
2
3
- ...... = ?
jeemain
math
class11
ch8
binomial-theorem
positive-integral-index
difficult
asked
Sep 26, 2013
by
rvidyagovindarajan_1
1
answer
n
C
1
+
2.
n
C
2
+
3.
n
C
3
+ ..... +
n
.
n
C
n
= ?
jeemain
math
class11
ch8
binomial-theorem
positive-integral-index
difficult
asked
Sep 24, 2013
by
rvidyagovindarajan_1
1
answer
The sum of coefficients of odd powers of
x
in the expansion
(
1
+
x
)
50
is ?
jeemain
math
class11
ch8
binomial-theorem
positive-integral-index
easy
asked
Sep 24, 2013
by
rvidyagovindarajan_1
1
answer
If the sum of odd numbered terms and even numbered terms in the expansion of
(
x
+
a
)
n
are
A
,
B
, then
(
x
2
−
a
2
)
n
=
?
jeemain
math
class11
ch8
binomial-theorem
properties-and-application
medium
asked
Sep 24, 2013
by
rvidyagovindarajan_1
1
answer
The no. of terms in the expansion
(
x
+
y
+
z
)
10
is ?
jeemain
math
class11
ch8
binomial-theorem
positive-integral-index
easy
asked
Sep 24, 2013
by
rvidyagovindarajan_1
1
answer
If the coefficient of
(
2
r
+
4
)
t
h
and
(
r
−
2
)
t
h
terms in the expansion of
(
1
+
x
)
18
are equal, then
r
=
?
jeemain
math
class11
ch8
binomial-theorem
properties-and-applications
easy
asked
Sep 24, 2013
by
rvidyagovindarajan_1
1
answer
If the third term in the expansion of
(
1
x
+
x
l
o
g
10
x
)
5
is 1000, then
x
= ?
jeemain
math
class11
ch8
binomial-theorem
general-and-middle-terms
medium
asked
Sep 23, 2013
by
rvidyagovindarajan_1
1
answer
If the coefficient of
x
2
and
x
3
in the expansion of
(
3
+
a
x
)
9
are same, then the value of
a
is ?
jeemain
math
class11
ch8
binomial-theorem
general-and-middle-terms
easy
asked
Sep 19, 2013
by
rvidyagovindarajan_1
1
answer
The
5
t
h
term from the end in the expansion of
(
x
3
2
−
2
x
)
12
is ?
jeemain
math
class11
ch8
binomial-theorem
general-and-middle-terms
medium
asked
Sep 19, 2013
by
rvidyagovindarajan_1
1
answer
The middle term in the expansion
(
1
+
x
)
2
n
is ?
jeemain
math
class11
ch8
binomial-theorem
general-and-middle-terms
easy
asked
Sep 19, 2013
by
rvidyagovindarajan_1
1
answer
The term independent of
x
in the expansion
(
2
x
−
1
3
x
)
6
is ?
jeemain
math
class11
ch8
binomial-theorem
general-and-middle-terms
easy
asked
Sep 17, 2013
by
rvidyagovindarajan_1
1
answer
If
x
=
1
3
, the greatest term in the expansion of
(
1
+
4
x
)
8
is ?
jeemain
math
class11
ch8
binomial-theorem
general-and-middle-terms
easy
asked
Sep 17, 2013
by
rvidyagovindarajan_1
1
answer
If the coefficient of middle terms in
(
1
+
α
x
)
4
and
(
1
−
α
x
)
6
is same then
α
=
?
jeemain
math
class11
ch8
binomial-theorem
general-and-middle-terms
medium
asked
Sep 17, 2013
by
rvidyagovindarajan_1
1
answer
The coefficient of
x
7
in the expansion
(
1
−
x
−
x
2
+
x
3
)
6
is ?
jeemain
math
class11
ch8
binomial-theorem
general-and-middle-terms
difficult
asked
Sep 17, 2013
by
rvidyagovindarajan_1
1
answer
In the binomial expansion of
(
a
−
b
)
n
,
n
≥
5
the sum of
5
t
h
and
6
t
h
term is
0
, then
a
b
=?
jeemain
math
class11
ch8
binomial-theorem
general-and-middle-terms
easy
asked
Sep 16, 2013
by
rvidyagovindarajan_1
1
answer
If the coefficient of
x
7
in
(
a
x
2
+
1
b
x
)
11
is equal to coefficient of
x
−
7
in
(
a
x
−
1
b
x
2
)
11
, then
a
and
b
satisfy the relation
jeemain
math
class11
ch8
binomial-theorem
general-and-middle-terms
easy
asked
Sep 15, 2013
by
rvidyagovindarajan_1
1
answer
The coefficient of
x
n
in the expansion
(
1
+
x
)
(
1
−
x
)
n
is
jeemain
math
class11
ch8
binomial-theorem
general-and-middle-terms
easy
asked
Sep 15, 2013
by
rvidyagovindarajan_1
1
answer
The total no. of terms in the expansion
(
x
+
y
)
100
+
(
x
−
y
)
100
is ?
jeemain
math
class11
ch8
binomial-theorem
positive-integral-index
easy
asked
Sep 15, 2013
by
rvidyagovindarajan_1
2
answers
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