wie rechnet man das?

1 Antwort

f'(x₀) = lim(h→0) (f(x₀ + h) – f(x₀)) / h

hier: f(x) = a * x² , x₀ = 1

f'(1) = lim(h→0) (a * (1 + h)² – a * 1²) / h

f'(1) = lim(h→0) (a + 2 * a * h + a * h² - a) / h

f'(1) = lim(h→0) (2 * a * h + a * h²) / h

f'(1) = lim(h→0) (2 * a + a * h)

f'(1) = 2 * a