Question

2. Write formula a. a2 – b2. b. a3+b3
3. What is the value of a.(9m)º
b. (4x)​

Answer 1

Step-by-step explanation:

1.The two ways of soil conservation are :-

Contour ploughing

Terrace farming.

2.African region

3. All the plants and animals in a particular area considered together with their surrounding.

4 examples are customs, belief, religious tradition, laws and dress.

5 political aspects include elections, voting, political parties, interest groups and public opinions.

6.the changing number of deaths, births and diseases in a community over time to time.

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Answer 2

question :

2. Write formula : A) a2 – b 2. B) a3+b3

3. What is the value of A) (9m)º B) (4x)

Answer:

2. A) a^2 - b^2

= (a+b)(a-b)

B) a^3 + b^3

= (a + b) (a2 - ab + b2 )

3. A) (9m)^0

= zero (0)

B) (4x)

= 4x

hope this answer helps you :)