Jika f(x)= 1/ 2√x maka -2f'(x)=...
Matematika
Zahanayui13
Pertanyaan
Jika f(x)= 1/ 2√x maka -2f'(x)=...
2 Jawaban
-
1. Jawaban dikisiswanto
f(x) = (2√x)^-1
f'(x) = -(2√x)^-2
-2f'(x) = 2(2√x)^-2
-2f'(x) = 2/4x = 1/2x -
2. Jawaban whongaliem
f (x) = 1/2 √x
= 1/2 x^(1/2)
f' (x) = 1/4 x ^(3/2)
= 1/4 x √x
- 2f'(x) = - 2 .1/4 x√x
= - 1/2 x√3