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Byju's Answer
Standard X
Mathematics
Common Difference
Find the comm...
Question
Find the common difference the following A.P
1
,
4
,
7
,
10
,
13
,
16
,
.
.
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Solution
Given series is
1
,
4
,
7
,
10
,
13
,
16
,
.
.
.
.
.
.
.
Common difference can be found out as :
c
.
d
.
=
a
2
−
a
1
=
a
3
−
a
2
=
a
4
−
a
3
=
.
.
.
Let's check, therefore,
a
2
−
a
1
=
4
−
1
=
3
Also,
a
3
−
a
2
=
7
−
4
=
3
And,
a
4
−
a
3
=
10
−
7
=
3
∴
common difference
(
d
)
=
3
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