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Standard VIII
Maths
Question
If
a
4
+
b
4
=
a
2
b
2
, then
(
a
6
+
b
6
)
equal to
0
1
a
2
b
4
+
a
4
b
2
a
2
+
b
2
A
0
B
1
C
a
2
+
b
2
D
a
2
b
4
+
a
4
b
2
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Solution
Verified by Toppr
f
o
r
m
u
l
a
u
s
e
d
a
3
+
b
3
=
(
a
+
b
)
(
a
2
−
a
b
+
b
2
)
g
i
v
e
n
a
6
+
b
6
⇒
(
a
2
)
3
+
(
b
2
)
3
⇒
(
a
2
+
b
2
)
(
a
4
−
a
2
b
2
+
b
4
)
⇒
(
a
2
+
b
2
)
(
0
)
⇒
0
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6
Similar Questions
Q1
If
a
4
+
b
4
=
a
2
b
2
, then
(
a
6
+
b
6
)
equal to
View Solution
Q2
(
a
2
−
b
2
)
+
a
4
−
b
4
2
!
+
a
6
−
b
6
3
!
+
.
.
.
to
∞
is equal to
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Q3
If
a
+
b
+
c
=
0
then
a
4
+
b
4
+
c
4
a
2
b
2
+
b
2
c
2
+
c
2
a
2
is equal to
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Q4
If
a
2
+
a
b
+
b
2
=
19
,
a
4
+
a
2
b
2
+
b
4
=
133
,
then the value of ab is
View Solution
Q5
If a,b,c are in continued proportion prove that :
i)
a
2
+
a
b
+
b
2
b
2
+
b
c
+
c
2
=
a
c
.
ii)
a
4
+
a
2
b
2
+
b
4
b
4
+
b
2
c
2
+
c
4
=
a
2
c
2
.
View Solution