expand:- (1/x+y/3)^2
Answers
Answered by
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Step-by-step explanation:
Answer
(
x
1
+
3
y
)
3
⇒(
x
1
)
3
+(
3
y
)
3
+3(
x
1
)(
3
y
)(
x
1
+
3
y
)
⇒
x
3
1
+
27
y
3
+
x
y
(
x
1
+
3x
y
)
⇒
x
3
1
+
27
y
3
+
x
2
y
+
3x
y
2
.
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