Question

maths 1st lesson 9th selina​

Answer 1

Is zero a rational number? Can it be written in the form , where p and q are integers and q≠0?

Solution 1

Yes, zero is a rational number.

As it can be written in the form of , where p and q are integers and q≠0?

⇒ 0 =

Question 2

Are the following statements true or false? Give reasons for your answers.

i. Every whole number is a natural number.

ii. Every whole number is a rational number.

iii. Every integer is a rational number.

iv. Every rational number is a whole number.

Solution 2

i. False, zero is a whole number but not a natural number.

ii. True, Every whole can be written in the form of , where p and q are integers and q≠0.

iii. True, Every integer can be written in the form of , where p and q are integers and q≠0.

iv. False.

Example: is a rational number, but not a whole number.

Answer 2

Answer:

6√2*(√7+2)/7-4

6√14+12√2/3

=2√14+4√2

b) second term, third term, first term

These are the answers

Thank you

Step-by-step explanation:

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