Hello comrades In the first two lectures we discussed the concept of analytic expressions and the problem of partial fractions Analytical expressions include algebraic expressions and transcendental expressions Partial fraction or belonging to the category of algebraic formula Today we're going to talk about exponential versus logarithmic. They are elementary transcendental expressions in analytic expressions Exponential and logarithmic expressions are closely related It can be said that due to the development of the concept of exponent, the concept of logarithm was introduced Let's start with the first question. Extension of the concept of exponent