
求解,高一数学
1个回答
展开全部
5. a^(2x+y/2)=(a^x)^2*√a^y=9√5
6. 原式=m^(1/2)m^(1/3)m^(1/4)/[m^(5/6)m^(1/4)=m^(1/2+1/3+1/4-5/6-1/4)=m^0=1
7. 原式=a^(1/3)(a-8b)/[4b^(2/3)+2a^(1/3)b^(1/3)+a^(2/3)]*a^(2/3)/[a^(1/3)-2b^(1/3)]
=a(a-8b)/(a-8b)
=a
6. 原式=m^(1/2)m^(1/3)m^(1/4)/[m^(5/6)m^(1/4)=m^(1/2+1/3+1/4-5/6-1/4)=m^0=1
7. 原式=a^(1/3)(a-8b)/[4b^(2/3)+2a^(1/3)b^(1/3)+a^(2/3)]*a^(2/3)/[a^(1/3)-2b^(1/3)]
=a(a-8b)/(a-8b)
=a
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询