logex+logex3+logex4= কত?
A
1312logeX
B
logex
C
12logex
Correct Answer: 1312logeX
logex + logex3 + logex4 = logex12 + logex13 + logex14 = logex(12 + 13 + 14) = logex(6 + 4 + 312) = logex1312 = 1312logex