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Byju's Answer
Standard VI
Mathematics
Associative Property
a, b and c ar...
Question
a, b and c are in A.P. Show that:
(
b
+
c
−
a
)
,
(
c
+
a
−
b
)
and
(
a
+
b
−
c
)
are also in A.P.
Open in App
Solution
a
,
b
,
c
are in A.P
2
b
=
a
+
c
2
(
c
+
a
−
b
)
=
2
(
2
b
−
b
)
=
2
b
=
(
a
+
2
b
+
c
−
a
−
c
)
2
(
c
+
a
−
b
)
=
(
b
+
c
−
a
)
+
(
a
+
b
−
c
)
(
b
+
c
−
a
)
,
(
c
+
a
−
b
)
,
(
a
+
b
−
c
)
are in A.P
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Q.
If
a
,
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and
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b
+
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−
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)
,
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and
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Q.
If a, b, c are in A.P., then show that the following are also in A.P.
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If a, b and c are in A.P. and also in G.P., show that : a = b = c .
Q.
If
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,
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Q.
If
a
,
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,
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are in A.P., then show that:
(i)
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2
(
b
+
c
)
,
b
2
(
c
+
a
)
,
c
2
(
a
+
b
)
are also in A.P.
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