تفرق

The derivative of x^4 is:

• 1 x^3
• 2 3x^4
• 3 4x^3
• 4 4x^4

The derivative of sin x is:

• 1 -cos x
• 2 -sin x
• 3 cos x
• 4 tan x

The derivative of e^x is:

• 1 x e^(x-1)
• 2 1
• 3 ln x
• 4 e^x

The derivative of ln x is:

• 1 x
• 2 1/x
• 3 ln x / x
• 4 e^x

If y = x2 sin x, then dy/dx is:

• 1 x2 cos x
• 2 2x sin x
• 3 2x cos x
• 4 2x sin x + x2 cos x

The function f(x) = x2 - 4x has a minimum at x equal to:

• 1 -2
• 2 0
• 3 2
• 4 4