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Mathematics
Problem
If
f
(
g
(
x
)
)
f(g(x))
f
(
g
(
x
))
is one-one function, then a.
g
(
x
)
g(x)
g
(
x
)
must be one-one b.
f
(
x
)
f(x)
f
(
x
)
must be one-one c.
f
(
x
)
f(x)
f
(
x
)
may not be one-one d.
g
(
x
)
g(x)
g
(
x
)
may not be one-one
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