A) f(x) = 2x^2 + 1f'(x) = d/dx (2x^2 + 1) = 4x
Подставим x = x0, x = 1, x = 5:f'(x0) = 4x0f'(1) = 4f'(5) = 20
B) f(x) = 7x^2 - √xf'(x) = d/dx (7x^2 - √x) = 14x - 1/(2√x)
Подставим x = x0, x = 1, x = 5:f'(x0) = 14x0 - 1/(2√x0)f'(1) = 14 - 1/2 = 27/2f'(5) = 14*5 - 1/(2√5) = 70 - 1/(2√5)
A) f(x) = 2x^2 + 1
f'(x) = d/dx (2x^2 + 1) = 4x
Подставим x = x0, x = 1, x = 5:
f'(x0) = 4x0
f'(1) = 4
f'(5) = 20
B) f(x) = 7x^2 - √x
f'(x) = d/dx (7x^2 - √x) = 14x - 1/(2√x)
Подставим x = x0, x = 1, x = 5:
f'(x0) = 14x0 - 1/(2√x0)
f'(1) = 14 - 1/2 = 27/2
f'(5) = 14*5 - 1/(2√5) = 70 - 1/(2√5)