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JEEMAIN-2014
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Q)
If
f
(
x
)
=
(
3
5
)
x
+
(
4
5
)
x
−
1
,
x
∈
R
, then the equation
f
(
x
)
=
0
has :
(
a
)
n
o
s
o
l
u
t
i
o
n
(
b
)
o
n
e
s
o
l
u
t
i
o
n
(
c
)
t
w
o
s
o
l
u
t
i
o
n
s
(
d
)
m
o
r
e
t
h
a
n
t
w
o
s
o
l
u
t
i
o
n
s
Share
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