− ( q 2 4 ) 1 n + 1 ≤ x < 0 {\displaystyle -{({\frac {q^{2}}{4}})^{\frac {1}{n+1}}}\leq x<0}
0 < x ≤ ( q 2 4 ) 1 n + 1 {\displaystyle 0<x\leq {({\frac {q^{2}}{4}})^{\frac {1}{n+1}}}}
− ( q 2 4 ) 1 n − 2 < x < 0 {\displaystyle -{({\frac {q^{2}}{4}})^{\frac {1}{n-2}}}<x<0}
0 < x < ( q 2 4 ) 1 n − 2 {\displaystyle 0<x<{({\frac {q^{2}}{4}})^{\frac {1}{n-2}}}}
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