a^2x^2-(3a^2-8a)x+2a^2-13a+15=0
a^2x^2-(3a^2-8a)x+(2a-3)(a-5)=0
(ax- 2a+3 )(ax-a+5)=0 ax- 2a+3 =0 ax-a+5=0
x1=1/a(2a-3) =2-3/a
x2=1/a(a-5)=1-5/a
根据题意,
a =3/m 或,a =5/n
(m,n 是整数)
a^2x^2-(3a^2-8a)x+2a^2-13a+15=0
a^2x^2-(3a^2-8a)x+(2a-3)(a-5)=0
(ax- 2a+3 )(ax-a+5)=0 ax- 2a+3 =0 ax-a+5=0
x1=1/a(2a-3) =2-3/a
x2=1/a(a-5)=1-5/a
根据题意,
a =3/m 或,a =5/n
(m,n 是整数)