已知集合A={x丨x^2-2x-8≤0},B={x丨x^2-(2m-3)x+m^2-3m≤0,m∈R},若A∩B=[2,4],求m的值

问题描述:

已知集合A={x丨x^2-2x-8≤0},B={x丨x^2-(2m-3)x+m^2-3m≤0,m∈R},若A∩B=[2,4],求m的值