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AP and TS EAMCET Engineering Model Paper 14
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© examsnet.com
Question : 49
Total: 159
Coefficient of
x
6
in
(
1
+
x
)
6
+
(
1
+
x
)
7
+
.
.
.
.
.
+
(
1
+
x
)
15
is
16
C
14
16
C
10
16
C
8
16
C
9
Validate
Solution:
(
1
+
x
)
6
[
1
+
(
1
+
x
)
+
.
.
.
(
1
+
x
)
9
]
=
(
1
+
x
)
6
[
1.
(
1
+
x
)
10
−
1
1
+
x
−
1
]
=
(
1
+
x
)
16
x
−
(
1
+
x
)
6
x
Coefficient of
x
6
=
16
C
7
=
16
C
9
© examsnet.com
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