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Anushka Agrawal
Subject: Maths
, asked on 3/11/17
Please tell me the mistake in my answer to the following question as the answer is r=4
Answer
1
Soumyadeep Kar
Subject: Maths
, asked on 2/11/17
Find the coefficient of x
3
in the expansion of (1-2x+3x
2
-4x
3
)
Answer
3
Soumyadeep Kar
Subject: Maths
, asked on 2/11/17
Solve this:
Q). Find the coefficient of
x
2
y
4
z
2
in the expansion of
2
x
-
3
y
+
4
z
9
.
Answer
1
Shivam Gupta
Subject: Maths
, asked on 2/11/17
sir
Answer
1
Shivam Gupta
Subject: Maths
, asked on 2/11/17
1
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
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
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
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What are you looking for?
Q). Find the coefficient of in the expansion of .
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 ?