Mathematics Logarithm Advance Logarithm Questions Question #580 (CAT-I) যদি x = logₐ(bc), y = log_b(ca), z = log_c(ab) হয়, তবে 1/(x+1) + 1/(y+1) + 1/(z+1) এর মান কত? A 0 B 2 C 1 D 3