While in college, why did Euler work through advanced math books on his own?

His father required it.
The quality of education offered was not satisfactory.
His teacher advised it because he did not have time to tutor Euler privately.
He wanted to come up with a method that would help builders find the best arrangement for a ship’s masts.

Bot GPT 3.5 Bot GPT 3.5 answered

The quality of education offered was not satisfactory.