Question 1: Expand:
i) ii)
iii)
iv)
v) vi)
vii)
viii)
Answer:
i)
ii)
iii)
iv)
v)
vi)
vii)
viii)
Question 2: Expand:
i) ii)
iii)
iv)
v) vi)
vii)
Answer:
i)
ii)
iii)
iv)
v)
vi)
vii)
Question 3: Using special expressions to find the value ofː
i) ii)
iii)
iv)
Answer:
i)
ii)
iii)
iv)
Question 4: Using special expressions find the value ofː
i) ii)
iii)
iv)
Answer:
i)
ii)
iii)
iv)
Question 5: If , find the value of:
i) ii)
iii)
Answer:
Given
Now
Therefore
Question 6: If find the value of
i) ii)
iii)
Answer:
Given
Question 7: If , find the value of
Answer:
Question 8: If , find the value of
Answer:
Question 9: If , find the value of
Answer:
Question 10: If , find the value of
Answer:
Question 11: If , and
, find the value of
Answer:
Question 12: If , and
, find the value of
Answer:
Question 13: If , and
, find the value of
Answer:
Question 14: If , and
, find
Answer:
Question 15: If and
, find
Answer:
Question 16: If
Answer:
Question 17: If Find
Answer:
Question 18: Find the value of:
(i) Given
(ii) Given
Answer:
(i) Given
(ii) Given