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Relations and Functions
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Inverse Trigonometric Functions
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Matrices
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Continuity and Differentiability
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Application of Derivatives
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Integrals
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Differential Equations
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Probability
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Vectors
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Three - Dimensional Geometry
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Application of Integrals
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Applications of Calculus in Commerce and Economics
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Linear Programming
Differentiation of Logarithmic and Exponential Functions
- The function y = f(x) = ax is called the exponential function with positive base, or a >1.
- The domain of an exponential function is the set of all real numbers.
- The range of the exponential function is the set of all positive real numbers.
- The derivative of ax with respect to x = ax loga, a>0, a is not equal to 1.
- Natural exponential function is denoted by y = ex.
- For real numbers b >1; if bx = a, then logarithm of a to the base b is x.
- Thus, logb a = x if bx = a.
- The derivative of loga x with respect to x = 1/ x loga, x>0, a>0, a is not equal to 1.
- To differentiate the functions of the type y=uv, where u and v are the functions of x, first take logarithm of both sides then differentiate with respect to x.
- The domain of log function is R+. The range of log function is the set of all real numbers.
Keywords: Derivatives of Logarithmic and Exponential Functions, Logarithmic Differentiation
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