解方程:(a+1)^(2/2)<(3-2a)^(2/2)

问题描述:

解方程:(a+1)^(2/2)<(3-2a)^(2/2)

|a+1|平方得,a^2+2a+1整理得,3a^2-14a+8即:(a-4)(3a-2)∴2/3