
it just so happen that √2 is an irrational number, so any product with it as a factor, will yield an irrational number as well.
factoid: Ancient Greeks were scared of irrational numbers, and they steered clear from √2.
I did the answers on the picture.
Answer:
4-13=-9
Step-by-step explanation:
Answer: = (the third option)
Step-by-step explanation