Question

please help me urgent

Answer 1

in first d part

in second d part

in third b part

Answer 2

Q9

Answer

First know what is rational number

1)

a) ,b), d) are irrational

c is rational

2)

a), b) are irrational number

c is not defined

d) is rational number

3)

a),c), d) are irrational

b) is rationala number in the form P by q where p and q are integers and q is not equal to zero