What is the product rule?
f(x) = u(x)*v(x)
f’(x) = u(x)*v’(x) + v(x)*u’(x)
Lim x—> 0
(sin5x) / (x)
5
3x^2 + 5y^2 = -y + 2
dy/dx = -6x / 10y+1
What is the quotient rule?
f(x) = u(x) / v(x)
f‘(x) = v(x)u’(x) - u(x)v’(x) / v(x)^2
What is the power rule?
f’(x) = 3x^2 + 10x -1
Lim x —> 3
(x - 4)/ (x - 2)
-1
dy/dx = 8x / 1 - 15y^2
y = (4-5x) / (x^2 + 3)
f’(x) = -15 - 4x / (x^2 + 3)^2
f’(x) = 3x - 2
f(x) = (x + 5)(3x - 2)
f’(x) = 6x + 13
Lim x —>
(x^3 - 8) / (x^2 - 4)
3
4y^3 = 2x^3 + 3xy^3
f(x) = x^2 + 1 / e^x
f’(x) = 2xe^x - x^2 e^x - e^x / (e^x)^2
f’(x) = -4x + 3
f(x) = 4x^2 e^x - 2x + 1
f’(x) = 4x^2 e^x + 8xe^x - 2
Lim x —> pi/2
(1-sinx) / (1 + cos2x)
1
2x + 3x^3 y^2 = 5x^2 y at (1,1)
dy/dx = -1
f(x) = sinx / 2x^2 - 5
f’(x) = cosx(2x^2 - 5) - sinx(4x) / (2x^2 - 5)^2
f(x) = 15x^5 - 8x^2 - 4x
f(x) = x^2 lnx
Lim x —> 1
(x^3 - 1) / (4x^3 - x - 3)
3/11
-4x^2 y + 4 = 5x^2 + 3x^3 y^2 at (1, -1)
dy/dx = 11/2