亲爱的网友:u=u2(x) u2(y) u2(z)y=cosx=sin(x 丌/2)
问题描述:
亲爱的网友:u=u2(x) u2(y) u2(z)y=cosx=sin(x 丌/2)
∴a b≥2√ab 1/(a b)≤1/2√ab.y=a^(2x-2),(a>0≠1)
答
x 2y=24所以y=log0.5(2x2-3x 1)A={x|x2-3x 2=0}所以0