Question

which is an irrational number
(a) √4
(b) √16
(c) √18
(d) √28​

Answer 1

Answer:

c) and d)

Step-by-step explanation:

√4 = 2

√16 = 4

√18 = 3√2

√28 = 2√7

Answer 2

Answer:

option c and d are irrational .

a = 2

b = 4

$c \: = 3 \times \sqrt{2}$

$d \: = 2 \times \sqrt{7}$

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