Question

A={x∈ℤ/|x^2-1|≤35}
Find the number of elements of A

Answer 1

@ganeshie8 @eliassaab @thomaster @aaronq @Abhisar @AccessDenied @Abmon98 @skullpatrol @SolomonZelman @sweetburger @divu.mkr @hartnn @Jemurray3 @mathmale

Answer 2

|x^2-1| = x^2-1 for x^2>=1 :

x^2 -1 <= 35

solve x

Answer 3

my answer is 13

Answer 4

is it good?

Answer 5

Yep ! solution is : [-6, 6]
13 integers is correct, good job !!