对有序数对(m,n)定义“f运算”:
,其中a、b为常数.f运算的结果也是一个有序数对,在此基础上,可对平面直角坐标系中的任意一点A(x,y)规定“F变换”:点A(x,y)在F变换下的对应点即为坐标为f(x,y)的点A′.
(1)当a=0,b=0时,f(﹣2,4)= ;
(2)若点P(4,﹣4)在F变换下的对应点是它本身,求a,b的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f75e285dc51aba8b8554d29fbf6312c.png)
(1)当a=0,b=0时,f(﹣2,4)= ;
(2)若点P(4,﹣4)在F变换下的对应点是它本身,求a,b的值.
更新时间:2019-03-13 09:37:20
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