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Byju's Answer
Standard VII
Mathematics
Product Law of Exponent
x+yx-yx2+y2 i...
Question
(
x
+
y
)
(
x
−
y
)
(
x
2
+
y
2
)
is
A
(
-
)
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B
x
3
+ y
3
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C
(
+
)
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D
x
4
- y
4
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Solution
The correct option is
D
x
4
- y
4
(
x
+
y
)
(
x
−
y
)
(
x
2
+
y
2
)
=
(
x
2
−
y
2
)
(
x
2
+
y
2
)
=
(
x
4
−
y
4
)
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0
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Q.
(
x
+
y
)
(
x
−
y
)
(
x
2
+
y
2
)
is equal to
.