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Byju's Answer
Standard XII
Mathematics
Integration of Piecewise Continuous Functions
Given a,b,c,d...
Question
Given a,b,c,d are in G.P then
(
a
−
d
)
2
=
(
b
−
c
)
2
+
(
c
−
a
)
2
+
(
d
−
b
)
2
.If you think this is true then write 1 otherwise write 0 ?
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Solution
R.H.S.
=
(
b
−
c
)
2
+
(
c
−
a
)
2
+
(
d
−
b
)
2
=
2
(
b
2
−
a
c
)
+
2
(
c
2
−
b
d
)
+
(
d
2
+
a
2
−
2
b
c
)
Now given
a
,
b
,
c
,
d
are in in G.P.,
so we have
b
a
=
c
b
=
d
c
⇒
b
2
=
a
c
,
c
2
=
b
d
and
b
c
=
a
d
∴
R
.
H
.
S
.
=
0
+
0
+
(
d
2
+
a
2
−
2
a
d
)
=
(
d
−
a
)
2
Thus answer is 1.
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0
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