8. Index Meaning
: top of the fraction
: bottom of the fraction
x
a
b
power
9. Index Meaning
: top of the fraction
: bottom of the fraction
x
a
b
power
root
10. Index Meaning
: top of the fraction
: bottom of the fraction
x
a
b
power
b xa
root
OR
x
b
a
11. Index Meaning
: top of the fraction
: bottom of the fraction
x
a
b
power
b xa
root
OR
x
b
e.g. (i ) x 3
a
12. Index Meaning
: top of the fraction
: bottom of the fraction
x
a
b
power
b xa
root
OR
x
b
e.g. (i ) x
3
1
3
x
a
13. Index Meaning
: top of the fraction
: bottom of the fraction
x
a
b
power
b xa
root
OR
x
b
e.g. (i ) x
3
1
3
x
a
(ii ) a 5b 7
14. Index Meaning
: top of the fraction
: bottom of the fraction
x
a
b
power
b xa
root
OR
x
b
e.g. (i ) x
3
1
3
x
a
(ii ) a 5b 7
a5
7
b
17. 3
(iii ) x 4 a 9b 2
4
1
4
(iv) x
3a 9
4 2
4x b
18. 3
(iii ) x 4 a 9b 2
4
1
4
(iv) x
4
x
3a 9
4 2
4x b
19. 3
(iii ) x 4 a 9b 2
4
1
4
(iv) x
2
3
(v ) y
4
x
3a 9
4 2
4x b
20. 3
(iii ) x 4 a 9b 2
4
1
4
4
x
2
3
3
y2
(iv) x
(v ) y
3a 9
4 2
4x b
21. 3
(iii ) x 4 a 9b 2
4
1
4
4
x
2
3
3
y2
(iv) x
(v ) y
3
2
(vi ) x
3a 9
4 2
4x b
22. 3
(iii ) x 4 a 9b 2
4
1
4
4
x
2
3
3
y2
(iv) x
(v ) y
3
2
(vi ) x
x3
3a 9
4 2
4x b
23. 3
(iii ) x 4 a 9b 2
4
1
4
4
x
2
3
3
3a 9
4 2
4x b
y2
(iv) x
(v ) y
3
2
(vi ) x
x3
x2 x
24. 3
(iii ) x 4 a 9b 2
4
1
4
(iv) x
2
3
(v ) y
3
2
(vi ) x
4
3
3a 9
4 2
4x b
x
x2
x3
x2 x
x x
25. 3
(iii ) x 4 a 9b 2
4
1
4
4
x
2
3
3
3a 9
4 2
4x b
y2
(iv) x
(v ) y
3
2
(vi ) x
x
3
x2 x
x x
see
OR
3
2
x
26. 3
(iii ) x 4 a 9b 2
4
1
4
4
x
2
3
3
3a 9
4 2
4x b
y2
(iv) x
(v ) y
3
2
(vi ) x
x
3
x2 x
x x
see
OR
3
2
x
1
1
2
x
think
27. 3
(iii ) x 4 a 9b 2
4
1
4
4
x
2
3
3
3a 9
4 2
4x b
y2
(iv) x
(v ) y
3
2
(vi ) x
x
3
see
3
2
x
OR
1
1
2
x
x x
x2 x
x x
think
1
x
and
x
1
2