10 / 7 \ \log (x) + cot(5*x)/
/ 10\ d |/ 7 \ | --\\log (x) + cot(5*x)/ / dx
Let .
Apply the power rule: goes to
Then, apply the chain rule. Multiply by :
Differentiate term by term:
Let .
Apply the power rule: goes to
Then, apply the chain rule. Multiply by :
The derivative of is .
The result of the chain rule is:
There are multiple ways to do this derivative.
Rewrite the function to be differentiated:
Let .
Apply the power rule: goes to
Then, apply the chain rule. Multiply by :
Rewrite the function to be differentiated:
Apply the quotient rule, which is:
and .
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:
To find :
Let .
The derivative of cosine is negative sine:
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:
Now plug in to the quotient rule:
The result of the chain rule is:
Rewrite the function to be differentiated:
Apply the quotient rule, which is:
and .
To find :
Let .
The derivative of cosine is negative sine:
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:
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:
Now plug in to the quotient rule:
The result is:
The result of the chain rule is:
Now simplify:
The answer is:
9 / 6 \ / 7 \ | 2 70*log (x)| \log (x) + cot(5*x)/ *|-50 - 50*cot (5*x) + ----------| \ x /
/ 2 \ 8 | / 6 \ / 6 5 \| / 7 \ | | 2 7*log (x)| / 7 \ | 7*log (x) 42*log (x) / 2 \ || 10*\log (x) + cot(5*x)/ *|9*|5 + 5*cot (5*x) - ---------| + \log (x) + cot(5*x)/*|- --------- + ---------- + 50*\1 + cot (5*x)/*cot(5*x)|| | \ x / | 2 2 || \ \ x x //
/ 3 \ 7 | / 6 \ 2 / 2 4 6 5 \ / 6 \ / 6 5 \| / 7 \ | | 2 7*log (x)| / 7 \ | / 2 \ 105*log (x) 7*log (x) 63*log (x) 2 / 2 \| / 7 \ | 2 7*log (x)| | 7*log (x) 42*log (x) / 2 \ || -10*\log (x) + cot(5*x)/ *|72*|5 + 5*cot (5*x) - ---------| + 2*\log (x) + cot(5*x)/ *|125*\1 + cot (5*x)/ - ----------- - --------- + ---------- + 250*cot (5*x)*\1 + cot (5*x)/| + 27*\log (x) + cot(5*x)/*|5 + 5*cot (5*x) - ---------|*|- --------- + ---------- + 50*\1 + cot (5*x)/*cot(5*x)|| | \ x / | 3 3 3 | \ x / | 2 2 || \ \ x x x / \ x x //