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NOVELTY! Interactive Homework for Derivatives

Krystian Karczyński

Founder and General Manager of eTrapez.

Graduate of Mathematics at Poznan University of Technology. Mathematics tutor with many years of experience. Creator of the first eTrapez Courses, which have gained immense popularity among students nationwide.

He lives in Szczecin, Poland. He enjoys walks in the woods, beaches and kayaking.


I am very pleased to inform you that we are taking another step forward in eTrapez.

We have created an application thanks to which you can learn to calculate derivatives in a completely new way.

The principle is very simple: you solve the derivative from our Homework as before, with the difference that you enter the next steps not on a piece of paper with a pen, but in a computer browser.

Our application checks the correctness of each of your entered transitions, and also verifies the final result.

Example 1

Let’s take the derivative of y = \ln \left( {\frac{{5x - 1)){{3x + 2))} \right) in our application. This is example 19 from the Homework for Lesson 2 of the Course Derivatives and the Study of Variation of Functions .

We choose the appropriate example from the list:

We introduce the first step (let’s say the correct one):

We go further (I’m getting confused now):

We correct ourselves, in the formula for the derivative of the quotient, the numerator should of course be minus:

We solve calmly further, in addition to counting the derivatives in the numerator, we also cross shorten:

And the next step, now just tidying up:

Let’s make another mistake, okay?

Corrected, it should of course be like this:

It just so happens that this is the final result and there is nothing to count on 🙂

Example 2 (VIDEO)

Where can I access the application?

The application is available as an addition to the Courses:

And in Bundles containing these Courses:

Price

The application is available as part of a monthly subscription, at PLN 4.99 / month .

I heartily recommend and invite you

Krystian Karczynski

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Check all eTrapez Courses (polish)

Are you looking for college or high school math tutoring? Or maybe you need a course that will prepare you for the final exam?

We are "eTrapez" team. We teach mathematics in a clear, simple and very precise way - we will reach even the most knowledge-resistant students.

We have created video courses translated in an easy, understandable language, which can be downloaded to your computer, tablet or phone. You turn on the video, watch and listen, just like during private lessons. At any time of the day or night.

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