6 4*x
4*x^6
The derivative of a constant times a function is the constant times the derivative of the function.
Apply the power rule: x6x^{6}x6 goes to 6x56 x^{5}6x5
So, the result is: 24x524 x^{5}24x5
The answer is:
5 24*x
4 120*x
3 480*x