JAMB - Mathematics (2007 - No. 27)
Find the value of x for which 2(32x-1) = 162
5/2
3/2
2/5
1/2
Magyarázat
2(32x-1) = 162
32x-1 = 162/2
32x-1 = 81
32x-1 = 32
2x - 1 = 4 (equating the indices)
2x = 5
5/2
x =
32x-1 = 162/2
32x-1 = 81
32x-1 = 32
2x - 1 = 4 (equating the indices)
2x = 5
5/2
x =