Question

Resolva as equações
A) 4/X =X/9
B) 1/ (3x - 3) + 1/ (2x + 2) = 4/ (x^2 - 1)

Answer 1

a) 4/x=x/9

x^2=36

x=6

b)1/(3x-3)+1(2x+2)=4/(x^2-1)

a B eu n entendi, desculpa