Question

Evaluate the square root

Answer 1

`√(a)=b\iff b^2=a\ for\ a\geq0\ and\ b\geq0\\\\\sqrt{(1)/(144)}=(\sqrt1)/(√(144))=(1)/(12)\\\\\\\sqrt1=1\ because\ 1^2=1\\\\√(144)=12\ because\ 12^2=144`