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Byju's Answer
Standard VIII
Mathematics
Numbers in General Form
The sum of th...
Question
The sum of the
4
t
h
and the
8
t
h
terms of an A.P. is
24
and the sum of
7
t
h
and the
10
t
h
terms is
44
. Find the first three terms of the arithmetic progression.
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Solution
a
4
+
a
8
=
24
a
7
+
a
10
=
44
a
+
3
d
+
a
+
7
d
=
24
.
.
.
.
.
.
.
.
.
.
.
(
1
)
a
+
6
d
+
a
+
9
d
=
44
.
.
.
.
.
.
.
.
.
.
.
.
.
(
2
)
(
1
)
−
(
2
)
−
5
d
=
−
20
d
=
4
a
=
−
8
∴
A
P
is
−
8
,
−
4
,
0
,
4.....
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Q.
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Q.
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