Question

Which of the following numbers is an irrational number

i)√16 –4

ii)(3 –√3 )) (3 +√3 )

iii)√5 +3

iv)√25

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Answer 1

Answer:

$iii) \: \: \sqrt{5} + 3$

Step-by-step explanation:

$let \: check \: the \: all \: option \\ i) \sqrt{16} - 4 = 4 - 4 \\ = 0 \: is \: a \: rational \: number \\ ii)(3 - \sqrt{3} )(3 + \sqrt{3} ) \\ = 3^{2} - { \sqrt{3} }^{2} \\ = 9 - 3 \\ = 6 \: is \: a \: rational \: number \\ iii) \sqrt{5 } + 3 = irrational \\ iv) \sqrt{25} = 5 \:is \: rational$

Answer 2

Answer:

This answer is correct

Step-by-step explanation:

hope it help you