Question

let a,b,c,d is real numbers|{0} such that 1/a+1/b+1/c+1/d=0 and a+b+c+d+abcd=0.find the value of (1/ab-1/cd)(1/c+1/d).​

Answer 1

Answer:

naajsiiikakwkkzklwoaopapaaw is the answer

Answer 2

Answer:

I don't know iam sorry sorry ☹️☹️