If a, b, c are in A.P. then a−b/b−c is equal to
1 point
1
b/a
a/c
c/a
Answers
Answered by
0
Answer:
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Step-by-step explanation:
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Answered by
0
Step-by-step explanation:
a,b,c in AP
2b= a+c _________ (1)
To prove
b
+
c
1
.
c
+
a
1
,
a
+
b
1
in AP
c
+
a
1
−
b
+
c
1
=
a
+
b
1
−
c
+
a
1
b
+
c
b
−
a
=
a
+
b
c
−
b
⇒(
b
−
a
)(
b
−
a
)=(
c
−
b
)(
c
−
b
)
To prove b-a = c-b
2b=a+c which is true.
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