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Standard IX
Mathematics
Question
If
a
2
+
c
2
a
b
+
c
d
=
a
b
+
c
d
b
2
+
d
2
, then
a
b
=
c
d
True
False
A
True
B
False
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Solution
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Similar Questions
Q1
If
a
2
+
c
2
a
b
+
c
d
=
a
b
+
c
d
b
2
+
d
2
, then
a
b
=
c
d
View Solution
Q2
If
a
b
=
c
d
=
e
f
then
show that
(
b
2
+
d
2
+
f
2
)
×
(
a
2
+
c
2
+
e
2
)
=
(
a
b
+
c
d
+
e
f
)
2
View Solution
Q3
If a, b, c, d are in proportion , then prove that
(i)
11
a
2
+
9
a
c
11
b
2
+
9
b
d
=
a
2
+
3
a
c
b
2
+
3
b
d
(ii)
a
2
+
5
c
2
b
2
+
5
d
2
=
a
b
(iii)
a
2
+
a
b
+
b
2
a
2
-
a
b
+
b
2
=
c
2
+
c
d
+
d
2
c
2
-
c
d
+
d
2
View Solution
Q4
If a, b, c, d are in G.P., prove that
(
a
2
+
b
2
+
c
2
)
,
(
a
b
+
b
c
+
c
d
)
,
(
b
2
+
c
2
+
d
2
)
are in G.P.
View Solution
Q5
If
a
b
=
c
d
=
e
f
prove that :
(
b
2
+
d
2
+
f
2
)
+
(
a
2
+
c
2
+
e
2
)
=
(
a
b
+
c
d
+
e
f
)
2
View Solution