根号下10+8倍根号下3+2倍根号2
问题描述:
根号下10+8倍根号下3+2倍根号2
答
=√{10+8√[3+2√2]}
=√{10+8√[√2+1]²}
=√{10+8(√2+1)}
=√[18+8√2]
=√[18+2√32]
=√[√16+√2]²
=√16+√2
=4+√2