log(x)*sin(2*x + 5)
log(x)*sin(2*x + 5)
Apply the product rule:
; to find :
The derivative of is .
; to find :
Let .
The derivative of sine is cosine:
Then, apply the chain rule. Multiply by :
Differentiate term by term:
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 derivative of the constant is zero.
The result is:
The result of the chain rule is:
The result is:
Now simplify:
The answer is:
sin(2*x + 5) ------------ + 2*cos(2*x + 5)*log(x) x
sin(5 + 2*x) 4*cos(5 + 2*x) - ------------ - 4*log(x)*sin(5 + 2*x) + -------------- 2 x x
/sin(5 + 2*x) 6*sin(5 + 2*x) 3*cos(5 + 2*x)\ 2*|------------ - -------------- - 4*cos(5 + 2*x)*log(x) - --------------| | 3 x 2 | \ x x /