Question

Simplify:(3)/(a-1)+(4)/(a+1)+(a+2)/(a^(2)-1)

Answer 1

Answer:

Step-by-step explanation: = 2^-1 + 3^-1 + 4^-1 × 3/4   = 1/2 + 1/3 + 1/4 × 3/4          Take LCM of 2 , 3 , 4 = 12   = 6 + 4 + 3 / 12 × 3/4  = 13/12 × 3/4   = 39/48 = 13/16