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Byju's Answer
Standard VIII
Mathematics
Division of a Polynomial by a Polynomial
If 2x+3y=13...
Question
If
2
x
+
3
y
=
13
and
x
y
=
6
, find the value of
8
x
3
+
27
y
3
.
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Solution
2
x
+
3
y
=
13
(
2
x
+
3
y
)
3
=
13
3
(
2
x
)
3
+
(
3
y
)
3
+
18
x
y
(
2
x
+
3
y
)
=
2197
8
x
3
+
27
y
3
+
1404
=
2197
8
x
3
+
27
y
3
=
793
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Similar questions
Q.
If
2
x
+
3
y
=
13
and
x
y
=
6
, find the value of
8
x
3
+
27
y
3
.
Q.
If 2x+3y=13 and xy=6 find the value of 8x
3
+27y
3
.
Q.
Find
8
x
3
+
27
y
3
, if
2
x
+
3
y
=
13
and
x
y
=
6
.
Q.
If
2
x
−
3
y
= 10 and
x
y
=
16
; find the value of
8
x
3
−
27
y
3
Q.
If
2
x
+
3
y
=
10
and
x
y
=
2
, the value of
8
x
3
+
27
y
3
i
s
e
q
u
a
l
t
o
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