f【x】=e∧2x+(1-2t)e∧x+t²,求证当x≥0时,f【x】+cosx≥x+2当x≥0时,f【x】+cosx≥x+2

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f【x】=e∧2x+(1-2t)e∧x+t²,求证当x≥0时,f【x】+cosx≥x+2当x≥0时,f【x】+cosx≥x+2
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f【x】=e∧2x+(1-2t)e∧x+t²,求证当x≥0时,f【x】+cosx≥x+2当x≥0时,f【x】+cosx≥x+2
f【x】=e∧2x+(1-2t)e∧x+t²,求证当x≥0时,f【x】+cosx≥x+2当x≥0时,f【x】+cosx≥x+2

f【x】=e∧2x+(1-2t)e∧x+t²,求证当x≥0时,f【x】+cosx≥x+2当x≥0时,f【x】+cosx≥x+2