Question

3а-5//а^2-1 - 6a-5//a-a^2 - 3a+2//a^2+a=0
//-дробь

Answer 1

(3a-5)/(a-1)(a+1)+(6a-5)/a(a-1)-(3a+2)/a(a+1)=0
a≠0  a≠1  a≠-1
a(3a-5)(a+1)(6a-5)-(a-1)(3a+2)=0
3a²-5a+6a²+6a-5a-5-3a²+3a-2a+2=0
6a²-3a-3=0
2a²-a-1=0
D=1+8=9
a1=(1-3)/4=-1/2
a2=(1+3)/4=1 не удов усл