While in college why did euler work through advanced math books on his own

His teacher advised it because he did not have time to tutor Euler privately

Step-by-step explanation:

We know that

Euler in his autobiographical writings, talked about his tutor Johann Bernoulli. He claimed that his tutor was a very busy person who refused to give him private lessons, but gave him many valuable tips to start reading and studying more advanced math books on his own.

therefore

His teacher advised it because he did not have time to tutor Euler privately

the argument of alfred t. mahan, henry cabot lodge, and albert j. beveridge was the economically and mass production the the americans could not consume themselves. this led expansion to sell to other foreign nations for profits.

step-by-step explanation:

this is my explanation