化简(根号下3+2倍根号2除以根号下17+12倍根号2)减去(根号下3-2倍根号2除以根号下17-12倍根号2)
问题描述:
化简(根号下3+2倍根号2除以根号下17+12倍根号2)减去(根号下3-2倍根号2除以根号下17-12倍根号2)
答
√﹙3+2√2﹚/√﹙17+12√2﹚-√﹙3-2√2﹚/√﹙17-12√2﹚ =√﹙√2+1﹚²/√﹙3+2√2﹚²-√﹙√2-1﹚²/√﹙3-2√2﹚² =﹙√2+1﹚/﹙√2+1﹚²-﹙√2-1﹚/﹙√2-1...