Q.1. Expand;

Q.2. Expand

Q.3. Using special expressions to find the value ofː

Q.4. Using special expressions find the value ofː

Q.5. If , find the value of:

Answer:

Q.6. If find the value of

(i)

(ii)

(iii)

Answer:

Q.7. If , find the value of

Answer:

Q.8.If , find the value of

Answer:

Therefore

Q.9. If , find the value of

Answer:

Q.10. If , find the value of

Answer:

Q.11. If , and , find the value of

Answer:

Q.12. If , and , find the value of

Answer:

Q.13. If , and , find the value of

Answer:

Q.14. If , and , find

Answer:

Q.15. If

Answer:

Q.16. If

Answer:

Q.17 If Find

Answer:

Q.18 Find the value of:

(i)

(ii)