4X^2-2(3K-1)X+16/9为完全平方式,求K的值.

问题描述:

4X^2-2(3K-1)X+16/9为完全平方式,求K的值.

2 x (4/3) x 2 =16/3
2(3k-1)=16/3
k=11/9