Contoh soal 2 Turunan Fungsi
Tentukan f¹(x) dari :
1. f(x) = 3x⁴
2. f(x) = x³-3x²+2x-10
3. f(x) = 2x⁵-3√x
4. f(x) = -x²+4x
5. f(x) = 1/3x³-1/2x²-6x
Jawaban
1. f(x) = 3x⁴
f¹(x)= 4.3x⁴-¹
= 12x³
2. f(x) = x³ – 3x²+2x –10
f¹(x) = 3x² – 6x + 2
3. f(x) = 2x⁵-3√x
f¹(x) = 5.2x⁵-¹ – 3x½
= 10x⁴ – 3.1/2x½-¹
= 10x⁴ – 3/2x-½
= 10x⁴ – 3/2x½
= 10x⁴ – 3/2√x
4. f(x) = -x²+4x
f¹(x) = -2x + 4
5. f(x) = 1/3x³ – 1/2x² – 6x
f¹(x) = 3.1/3x³-¹ – 2.1/2x²-¹ – 6
= X² – x – 6
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