logax = 1, logay = 2 হলে, logaz = 3 হলে, loga(zx3y2) এর মান কত ?
Reading
ক)
1
খ)
2
গ)
4
ঘ)
5
Explanation
log a x = n x = a n log a x = 1 a 1 = x x = a 1 = a log a y = 2 a 2 = y y = a 2 log a z = 3 a 3 = z z = a 3 log a (zx3y2) = log a (zx3y2) = log a a 4 = 4 log a a = 4 ×1 = 4