Question

how to solve it help me​

Answer 1

Answer:

Step-by-step explanation:

Lcm=(1+a+b^-1)(1+b+c^-1)(1+c+a^-1)

(1+b+c^-1)(1+c+a^-1)+(1+a+b^-1)(1+c+a^-1)+(1+a+b^-1)(1+b+c^-1)/the LCM

SOLVE AND YOU WILL GET THE ANSWER