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Byju's Answer
Standard VII
Mathematics
Dividing a Polynomial by a Monomial
if xy+yz+ xz ...
Question
if xy+yz+ xz =1 then x+y/1-xy + y+z/1-yz + z+x/1-zx is equal to
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Solution
xy
+
yz
+
zx
=
1
1
-
xy
=
yz
+
zx
1
-
yz
=
xy
+
zx
1
-
zx
=
xy
+
yz
and
dividing
by
xyz
we
get
1
x
+
1
y
+
1
z
=
1
Let
A
=
x
+
y
1
-
xy
+
y
+
z
1
-
yz
+
z
+
x
1
-
zx
Now
putting
values
from
above
we
get
=
x
+
y
yz
+
zx
+
y
+
z
xy
+
zx
+
z
+
x
xy
+
yz
=
x
+
y
x
x
+
y
+
y
+
z
y
y
+
z
+
z
+
x
z
z
+
x
=
1
x
+
1
y
+
1
z
=
1
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