Question 1:
If , find
Question 2:
If
and
, find
Question 3:
If
, find
Question 4:
If
,
,
find
Question 5:
If
and
find
Question 6:
Simplify:
Question 7:
Simplify:
Question 8:
Simplify:
Question 9:
Expand and simplify:
Question 10:
Expand the following expression: