Answer:
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Step-by-step explanation:
Answer:
The first derivative of is .
Step-by-step explanation:
Let , we apply natural logarithms in both sides of the expression:
(1)
Then, we differentiate (1) respect to :
X equals 60 degrees (80-20=60)
Answer:
answer is -9
Step-by-step explanation:
5(x+1)=4(x-1)x
5x+5=4x-4+x
5x+5=4x+x-4
5x+5=5x-4
5x-5x=-4-5
x=-9