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Shivam Gupta
Subject: Maths
, asked on 2/11/17
sir
Answer
1
Shivam Gupta
Subject: Maths
, asked on 2/11/17
sir
Answer
1
Shivam Gupta
Subject: Maths
, asked on 2/11/17
sir
Answer
1
Ruba Balu
Subject: Maths
, asked on 29/10/17
22nd. pls dont send any links
Q22) Find the value of r if the coefficients of (2r + 4)
th
and (r – 2)
th
terms in the expansion of (1 + x)
18
are equal.
Answer
1
Ruba Balu
Subject: Maths
, asked on 29/10/17
13th. pls dont send any links
Q13) Find the coefficient of
x
7
in
a
x
+
1
b
x
11
and
x
-
7
in
a
x
-
1
b
x
2
11
and find the relation between a and b so that coefficients are equal .
Answer
2
Ruba Balu
Subject: Maths
, asked on 29/10/17
1st
Q.1) In the expansion of
1
+
x
43
, the coefficients of
2
r
+
1
t
h
a
n
d
r
+
2
t
h
terms are equal. Find r.
Answer
1
Soumyadeep Kar
Subject: Maths
, asked on 26/10/17
Solve this:
Q. If the co - efficient of x
4
in the expansion of
1
-
x
+
2
x
2
12
is
n
+
2
C
r
+
1
+
r
,
n
+
1
C
r
+
a
C
r
, then the coefficient of x
r
in the expansion of ( 1 + x )
a/2
is ?
Answer
2
Soumyadeep Kar
Subject: Maths
, asked on 26/10/17
Solve this:
Q28. The number of values in set of values of
r
for which
23
C
r
+
3
.
23
C
r
+
1
+
23
C
r
+
2
≥
25
C
15
is
Answer
2
Soumyadeep Kar
Subject: Maths
, asked on 26/10/17
I
f
a
0
2
-
a
1
2
+
a
2
2
-
a
3
2
+
.
.
.
+
a
2
n
2
=
k
a
n
,
t
h
e
n
k
=
1
2
1/2
0
Answer
1
Shivam Gupta
Subject: Maths
, asked on 24/10/17
sir
Q.5. The value of
2
+
1
3
+
2
-
1
3
is equal to
Choose one :
A. 14
B. 5
2
C. 7
D. 10
2
Answer
5
Shivam Gupta
Subject: Maths
, asked on 24/10/17
sir
Q.11. Number of rational terms in the expansion of
2
x
+
3
y
1
3
48
is
Answer
1
Shivam Gupta
Subject: Maths
, asked on 24/10/17
sir
Answer
2
Shivam Gupta
Subject: Maths
, asked on 24/10/17
If coefficient of (3r + 2)th term and 2rth term in (1 + x)25 is equal then r is equal to
Answer
1
Ruba Balu
Subject: Maths
, asked on 21/10/17
Q.22.Find the value of r if the coefficients of
2
r
+
4
t
h
a
n
d
r
-
2
t
h
terms in the expansion of
1
+
x
18
are equal.
Answer
2
Ruba Balu
Subject: Maths
, asked on 21/10/17
Q). Find the coefficient of
x
4
in the expansion of
1
+
x
+
x
2
+
x
3
13
Answer
3
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What are you looking for?
Q22) Find the value of r if the coefficients of (2r + 4) th and (r – 2)th terms in the expansion of (1 + x)18 are equal.
Q13) Find the coefficient of and find the relation between a and b so that coefficients are equal .
Q.1) In the expansion of , the coefficients of terms are equal. Find r.
Q. If the co - efficient of x4 in the expansion of , then the coefficient of xr in the expansion of ( 1 + x ) a/2 is ?
Q28. The number of values in set of values of r for which is
Q.5. The value of is equal to
Choose one :
A. 14
B. 5
C. 7
D. 10
Q.11. Number of rational terms in the expansion of is