Question

Решите уравнение:
a)1/x-5/2x=1
b)x+4/x^2+2/x=1
в)3/x+1+6/x(x+1)=4
г)x^2-2x-3/x(x-3)=0
д)x-1/x+3=x+3/x+1

Answer 1

А) 1/x - 5/2x = 1 2-5/2x =1 -3 = 2x X= - 3/2 X= -1.5 Б) x+4/x^2 + 2/x = 1 X + 4 + 2x/ x^2 = 1 3x + 4 = x^2 - x^2 + 3x + 4=0 X1 = -1 x2 = 4