Byju's Answer
Standard IX
Mathematics
Algebraic Identity 3
Expansion of ...
Question
Expansion of
(
x
+
y
+
z
)
2
:
A
x
2
+
y
2
+
z
2
+
2
(
x
y
+
y
z
+
z
x
)
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B
x
2
+
y
2
+
z
2
−
2
(
x
y
+
y
z
+
z
x
)
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C
x
2
+
y
2
+
z
2
−
2
(
x
y
−
y
z
+
z
x
)
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D
x
2
+
y
2
+
z
2
+
2
(
x
y
−
y
z
+
z
x
)
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Solution
The correct option is
A
x
2
+
y
2
+
z
2
+
2
(
x
y
+
y
z
+
z
x
)
Use identity
(
a
+
b
+
c
)
2
=
a
2
+
b
2
+
c
2
+
2
(
a
b
+
b
c
+
c
a
)
Suggest Corrections
1
Similar questions
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The expansion of
(
x
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z
)
2
is ________.
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The expansion of
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If the number of distinct terms in expansion of
(
x
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y
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+
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+
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x
)
2
and
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x
+
y
+
z
+
1
x
+
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y
+
1
z
)
2
is
m
and
n
respectively, then the value of
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+
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is
Q.
If the number of distinct terms in expansion of
(
x
+
y
+
z
+
1
x
y
+
1
y
z
+
1
z
x
)
2
and
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+
y
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+
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x
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is
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respectively, then the value of
m
+
n
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