The product of 4 distinct +ve integers a,b,c,da,b,c,d is 8!8!. The numbers also satisfy ab+a+b+1=323 and bc+b+c+1=399ab+a+b+1=323andbc+b+c+1=399 then d=?
1 Answer
Jul 25, 2018
Explanation:
We have,
Similarly, from
Comparing