[tex]\it \sqrt{12} = \sqrt{4\cdot3} =2\sqrt3[/tex]
[tex]\it \sqrt{20} = \sqrt{4\cdot5} =2\sqrt5[/tex]
[tex]\it \sqrt{63} = \sqrt{9\cdot7} =3\sqrt7[/tex]
[tex]\it \sqrt{75} = \sqrt{25\cdot3} =5\sqrt3[/tex]
[tex]\it \sqrt{98} = \sqrt{49\cdot2} =7\sqrt2[/tex]
[tex]\it \sqrt{32} = \sqrt{16\cdot2} =4\sqrt2[/tex]
[tex]\it \sqrt{200} = \sqrt{100\cdot2} =10\sqrt2[/tex]
[tex]\it \sqrt{1000} = \sqrt{100\cdot10} =10\sqrt{10}[/tex]
[tex]\it \sqrt{243} = \sqrt{81\cdot3} =9\sqrt3[/tex]
[tex]\it \sqrt{363} = \sqrt{121\cdot3} =11\sqrt3[/tex]
[tex]\it \sqrt{18a^4} = \sqrt{9\cdot2(a^2)^2} =3a^2\sqrt2[/tex]
[tex]\it \sqrt{50a^2b^4} = \sqrt{25\cdot2a^2(b^2)^2} =5|a|b^2\sqrt2[/tex]
