Respuesta :

Answer:

LCD =  4 x^2

Step-by-step explanation:

The least common denominator  : LCD

(x + 1) / 4x    and   (3(x + 1)) / 2x^2

factor  4x  :   2, 2, x

factor  2x^2 :   2, x, x^2

take highest powers  2^2 and x^2

LCD is   4*x^2