3 akar 2 + 5 akar 8 - akar 32

[tex]13 \sqrt{2} + 5 \sqrt{8} - \sqrt{32} = 12.7279221[/tex]

3√2 + 5√8 - √32 harus dijabarin dulu
=3√2 + 5√4.√2 - √16.√2
=3√2 + 5.2√2 - 4√2
=3√2 + 10√2 - 4√2
=(3+10-4).√2
=9√2