I was completing some exercises in the Digital math SAT prep section and im a little confused. One questioned was √100 = x, and the answer was 10, and it said -10 could not be an answer. But then there was a question of x^2 = -11 and the answer was √11 or -√11, why is this?
კომენტარის დასატოვებლად გთხოვთ გაიაროთ ავტორიზაცია.