( 3 + 4 akar 2) (3 +2 akar 3

4 akar 2 = 16
2 akar 3 = 8
3 + 16 = 19
3 + 8 = 11
19 * 11 = 209
jadi jawabanya 209

[tex](3 + 4 \sqrt{2} )(3 + 2 \sqrt{3} ) \\ = 9 + 6 \sqrt{3} + 12 \sqrt{2} + 8 \sqrt{6} \\ [/tex]