2 5*sin(6*x) - x *sin(2*x)
d / 2 \ --\5*sin(6*x) - x *sin(2*x)/ dx
Differentiate term by term:
The derivative of a constant times a function is the constant times the derivative of the function.
Let .
The derivative of sine is cosine:
Then, apply the chain rule. Multiply by :
The derivative of a constant times a function is the constant times the derivative of the function.
Apply the power rule: goes to
So, the result is:
The result of the chain rule is:
So, the result is:
The derivative of a constant times a function is the constant times the derivative of the function.
Apply the product rule:
; to find :
Apply the power rule: goes to
; to find :
Let .
The derivative of sine is cosine:
Then, apply the chain rule. Multiply by :
The derivative of a constant times a function is the constant times the derivative of the function.
Apply the power rule: goes to
So, the result is:
The result of the chain rule is:
The result is:
So, the result is:
The result is:
The answer is:
2 30*cos(6*x) - 2*x*sin(2*x) - 2*x *cos(2*x)
/ 2 \ 2*\-sin(2*x) - 90*sin(6*x) - 4*x*cos(2*x) + 2*x *sin(2*x)/
/ 2 \ 4*\-270*cos(6*x) - 3*cos(2*x) + 2*x *cos(2*x) + 6*x*sin(2*x)/