Matematika

Pertanyaan

Diketahui f(×) = 2× + 4 per 1 + akar ×. Nilai f'(4) = ...

1 Jawaban

  • f(x) = (2x+4)/(1+√x)
    f'(x) = 2.(1+√x) - (2x +4). 1/2√x per (1+√x)^2
    f'(4) = 2(1+2) - 12.(1/4) per 9
    =3/9
    = 1/3

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