101 Lunchbox Notes with Laugh-Out-Loud Jokes for Kids

101 Lunchbox Notes with Laugh-Out-Loud Jokes for Kids

Matematika hasilnya berapa ya ini,tolong sertakan caranya
(4 + akar 7) (3 - akar 7) =

hasilnya berapa ya ini,tolong sertakan caranya
(4 + akar 7) (3 - akar 7) =

Jawab:

[tex]5-\sqrt{7}[/tex]

Penjelasan dengan langkah-langkah:

[tex](4+\sqrt{7})(3-\sqrt{7})=(12-4\sqrt{7} +3\sqrt{7}-7)=5-\sqrt{7}[/tex]