Question

Show that 4 underroot 2 is an irrational number​

Answer 1

Answer:

it is irrational

Step-by-step explanation:

please check answer

Answer 2

Answer:

let : 4✓2 be rational number

4✓2=a/b

a/4b =✓2

where a/4b is a rational number

then ✓2 will also be rational number

this is contradict to our statement

so 4✓2 is a irrational number