1.
Let S={x[6,3]{2,2}:x+31x20}S = \{x \in [-6, 3] - \{-2, 2\} : \frac{|x+3| - 1}{|x-2|} \geq 0\} and
T={xZ:x27x+90}T = \{x \in \mathbb{Z} : x^2 - 7|x| + 9 \leq 0\}.
Then the number of elements in STS \cap T is: