If (a/b)x-1 = (b/a)x-3, then the value of x is
1/2
1
2
7/2
(81)1/2 =
3
9
27
81
161/2 =
4
8
42
x1/3
x2/3
x6
x3/2
a
a2
a-2
a3
4x8
8x4
4x4
8x8
(-1)100 =
100
- 1
0
x2
x-4
x8
(1000)7 ÷ 1018 =
10
1000
10000
(a - b)2 × (a - b)-4 =
(a - b)
(a - b)2
1/(a - b)2
(a - b)6
