: Let U = {x|x ∈ Z
+ ∧ x ≤ 30}, A = {y|y ∈ P ∧ 15 < y < 35}, B = {z|x ∈ E ∧ x ≤ Z
+} and
C = {w|w ∈ N ∧ 13 ≤ w ≤ 30} then Show ...
x/2 - 2 = 6
n/4 + 5 = 13
x/4 - 3 = 5
(Cos(11 π\piπ ))/11
(Cos(n π\piπ ))/n
f/5 + 3 = 11
hcf 12 and 20
5t^2=45
300X^2-500X=500
