6. 若(m+1) 12<(3−2m) 12(m+1){\;}^{\frac{1}{2}}<(3-2m){\;}^{\frac{1}{2}}(m+1)21<(3−2m)21,则实数mmm的取值范围___−1⩽m<23-1\leqslant m<\frac{2}{3}−1⩽m<32___.