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Byju's Answer
Standard VIII
Mathematics
Polynomials
If x+y+z = 1,...
Question
If x+y+z = 1, x^2 +y^2 +z^2 = 3, x^3 +y^3 +z^3 = 7, Then, x^5 +y^5 +z^5 = ?
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Similar questions
Q.
Eliminate
x
,
y
,
z
from the equations
x
+
y
+
z
=
0
,
x
2
+
y
2
+
z
2
=
a
2
,
x
3
+
y
3
+
z
3
=
b
3
,
x
5
+
y
5
+
z
5
=
c
5
.
Q.
If
x
,
y
,
z
∈
+
R
and
x
2
+
y
2
+
z
2
=
27
, then
x
3
+
y
3
+
z
3
has
Q.
Prove that:
x
3
+
y
3
+
z
3
−
3
x
y
z
=
1
2
(
x
+
y
+
z
)
[
(
x
−
y
)
2
+
(
y
−
z
)
2
+
(
z
−
x
)
2
]
Q.
Verify that
x
3
+
y
3
+
z
3
−
3
x
y
z
=
1
2
(
x
+
y
+
z
)
[
(
x
−
y
)
2
+
(
y
−
z
)
2
+
(
z
−
x
)
2
]
.
Q.
Verify that :
x
3
+
y
3
+
z
3
−
3
x
y
z
=
1
2
(
x
+
y
+
z
)
[
(
x
−
y
)
2
+
(
y
−
z
)
2
+
(
z
−
x
)
2
)
]
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