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Byju's Answer
Standard VIII
Physics
Factors Affecting Friction
a) 1/a+b = 1/...
Question
a) 1/a+b = 1/a+1/b+1/x , a+b not equal to 0 b) 2x/x-4 + 2x-5/x-3 =25/3
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Similar questions
Q.
If
a
=
2
x
−
3
4
,
b
=
2
x
−
1
3
and
a
−
b
=
1
; find
x
.
Q.
If
x
2
+
5
x
+
1
(
x
+
1
)
(
x
+
2
)
(
x
+
3
)
=
A
x
+
1
+
B
(
x
+
1
)
(
x
+
2
)
+
C
(
x
+
1
)
(
x
+
2
)
(
x
+
3
)
,
then
B
is equal to
Q.
If
a
1
−
2
x
.
b
1
+
2
x
=
a
4
+
x
.
b
4
−
x
;
a
,
b
>
0
&
a
≠
b
, then the value of
x
is
Q.
2
x
3
+
x
2
−
5
x
4
−
25
=
A
x
+
B
x
2
−
5
+
C
x
+
1
x
2
+
5
⇒
(
A
,
B
,
C
)
=
Q.
2
x
+
1
(
x
+
a
)
(
b
x
−
1
)
=
5
x
+
a
−
3
b
x
−
1
⇒
(
a
,
b
)
=
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