Active Recall
MCQ questions generated from your lessons
Test yourself instead of rereading. Orbily turns any lesson into quick multiple-choice sessions that make you retrieve what you know, with a short explanation after every answer, right or wrong.
Active Recall
Calculus · Differentiation
Question 6 of 12
4 right · 1 missedQuestion
What is the derivative of f(x) = x² ln(x)?
2x · ln(x)
x (2 ln(x) + 1)
2x + 1/x
2x / ln(x)
Correct · (uv)′ = u′v + uv′ gives 2x ln(x) + x² · 1/x = x (2 ln(x) + 1)
What you get
Questions generated straight from your own courses
Retrieval practice: the method that actually builds memory
A short explanation after each answer, right or wrong
Track your score and replay the questions you missed
Good to know
Choosing the right answer among close options forces you to retrieve the idea from memory, and retrieval is what makes it stick long term.
Yes. Replay a full session or only the questions you got wrong, as many times as you like.