11.07.2015 Views

Differentialregning 2. del

Differentialregning 2. del

Differentialregning 2. del

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8.17 ØvelseEn funktion f (x)er givet ved133f ( x)= x − kx , x > 0hvor k er et positivt tal. Det oplyses at f (x)har minimum i 3.Bestem k .8.18 ØvelseEn funktion f (x)er givet ved4f ( x)= −x+ 32x+ khvor k er et reelt tal. Det oplyses at maksimum for f (x)er 50.Bestem k .<strong>Differentialregning</strong> Side 51 2006 Karsten Juul

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