Jika f(x)=(x^2 + 2)(x^2 + x + 3), maka f'(2)=....
Matematika
Miyapermata
Pertanyaan
Jika f(x)=(x^2 + 2)(x^2 + x + 3), maka f'(2)=....
1 Jawaban
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1. Jawaban SadonoSukirno
f'(x) = 2x(x²+x+3) + (2x+1)(x²+2)
f'(2) = 2(2)(2²+2+3) + (2(2)+1)(2²+2)
= 4(11) + (5)(8)
= 44 + 40
= 84