(1)计算:1?a?ba+2b÷a2?b2a2+4ab+4b2;(2)解不等式组:x?32+3≥x1?3(x?1)<8?x,并把解集在数轴上表

(1)计算:1?a?ba+2b÷a2?b2a2+4ab+4b2;(2)解不等式组:x?32+3≥x1?3(x?1)<8?x,并把解集在数轴上表示出来.

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