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Byju's Answer
Standard VIII
Mathematics
Algebraic Identities
ix Use a suit...
Question
Question 1(ix)
Use a suitable identity to get each of the following products:
(
x
2
+
3
y
4
)
(
x
2
+
3
y
4
)
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Solution
(
x
2
+
3
y
4
)
(
x
2
+
3
y
4
)
=
(
x
2
+
3
y
4
)
2
=
(
x
2
)
2
+
2
×
x
2
×
3
y
4
+
(
3
y
4
)
2
[
U
s
i
n
g
I
d
e
n
t
i
t
y
(
a
+
b
)
2
=
a
2
+
2
a
b
+
b
2
]
=
x
2
4
+
3
4
x
y
+
9
16
y
2
Suggest Corrections
9
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