Question

19.
Which of the following is an irrational number?
a)
4
b)
√12
9
V3
3
c)
17
d) 81

(answer is option c)

because
option (A) is √4/9 so, √2/3{rational}

option (B) is √12/√3 =√4/1{rational}

option (D) is √81 = √9{rational}

option (C) is √7 is an irrational number​

Answer 1

Answer:

the answer is option C

Step-by-step explanation:

√7 cannot be written as 7

Answer 2

Answer:

option (C) is irrational