椭圆x^2/25+y^2/16=1内有两点A(2,2)B(3,0),P为椭圆上任一点,若要使|PA|+5/3|PB|最小.求最小值?A 25/3 ,B 25/6 C 4 ,D 19/3

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椭圆x^2/25+y^2/16=1内有两点A(2,2)B(3,0),P为椭圆上任一点,若要使|PA|+5/3|PB|最小.求最小值?A25/3,B25/6C4,D19/3椭圆x^2/25+y^2/16

椭圆x^2/25+y^2/16=1内有两点A(2,2)B(3,0),P为椭圆上任一点,若要使|PA|+5/3|PB|最小.求最小值?A 25/3 ,B 25/6 C 4 ,D 19/3
椭圆x^2/25+y^2/16=1内有两点A(2,2)B(3,0),P为椭圆上任一点,若要使|PA|+5/3|PB|最小.求最小值?
A 25/3 ,B 25/6 C 4 ,D 19/3

椭圆x^2/25+y^2/16=1内有两点A(2,2)B(3,0),P为椭圆上任一点,若要使|PA|+5/3|PB|最小.求最小值?A 25/3 ,B 25/6 C 4 ,D 19/3
选D,A点到右准线的距离就是最小值.

B