(√3+√5+√7)(√3+√5-√7)???
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(√3+√5+√7)(√3+√5-√7)???
1 Jawaban
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1. Jawaban Takamori37
[tex]((\sqrt{3}+\sqrt{5})+\sqrt{7})((\sqrt{3}+\sqrt{5})-\sqrt{7}) \\ (\sqrt{3}+\sqrt{5})^2-\sqrt{7}^2 \\ 3+2\sqrt{15}+5-7 \\ 1+2\sqrt{15}[/tex]