3(mx-1) = 3a(mx-2) হলে, x এর মান কত?
সমাধান
সঠিক উত্তর: Option A
3(mx-1) = 3a(mx-2)
Or, 3(mx-1)/ 3 = a(mx-2)
Or, 3(mx-1-1) = a(mx-2)
Or, 3(mx-2) = a(mx-2)
Or, (3/a) (mx-2) = 1
Or, (3/a) (mx-2) = (3/a)0
অর্থাৎ, (mx-2)= 0
(mx-2)= 0
Or, mx = 2
Or, x = 2/m
