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Mathematics
Mathematics
Problem
For
f
(
x
)
=
cos
x
−
x
f(x)=\cos x - x
f
(
x
)
=
cos
x
−
x
on the interval
[
0
,
1
]
[0,1]
[
0
,
1
]
, after one halving of the interval, which of the two subintervals
[
0
,
0.5
]
[0,0.5]
[
0
,
0.5
]
or
[
0.5
,
1
]
[0.5,1]
[
0.5
,
1
]
still contains a zero of
f
f
f
? State the subinterval.
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