What is the derivative of the expression (10+lgx^10+e^10x)^10?
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justaguide
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We have to find the derivative of y = (10 + lg (x^10) + e^10x)^10.
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giorgiana1976 | Student
Since the given expression represents a composed function, we'll evaluate its derivative applying chain rule.
We'll put 10+lgx^10+e^10x = t
y = t^10
We'll differentiate y with respect to t:
dy/dt = d(t^10)/dt
dy/dt = 10t^9
We'll differentiate t with respect to x:
dt/dx = d(10+lgx^10+e^10x)/dx
dt/dx = 10/x + 10*e^10x
dy/dx = 10t^9*(10/x + 10*e^10x)
We'll substitute back t:
dy/dx = 10*[(10+lgx^10+e^10x)^9]*(10/x + 10*e^10x)
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