Question
Show that $\sqrt{5}$ is an irrational numbers. $[$Use division method$]$

Answer

$2.23606...$
$2$ $5.0000000000...
-4$
$42$ $100
-84$
$443$ $1600
-1329$
$4466$ $27100
-26796$
$447206$ $3040000
-2683236$
$
$
$356764 ...$
Clearly, $\sqrt{5}=2.23606 \ldots . . . ;$
which is an irrational number.
Hence, $\sqrt{5}$ is an irrational number.

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