Which of the following sets are nonempty?
a) {x|x∈ N, 2x + 7 = 3}
b) {x∈ Z| 3x + 5 = 9}
c) {x|x∈ Q, x2 + 4 = 6}
d) {x∈ R| x2 + 4 = 6}
e) {x∈ R| x2 + 3x + 3 = 0}
f) {x|x∈ C, x2 + 3x + 3 = 0}
We need at least 10 more requests to produce the solution.
0 / 10 have requested this problem solution
The more requests, the faster the answer.