Kerjakan soal-soal berikut dengan tepat. 1. Sederhanakan pecahan-pecahan berikut dengan cara merasionalkan penyebutnya.
a.9 /√3 =
b.2-√2/√2=
c.3/3-√2=
d.3-√2/1+√3=
a.9 /√3 =
b.2-√2/√2=
c.3/3-√2=
d.3-√2/1+√3=
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Penjelasan dengan langkah-langkah:
a. 9/√3 =
= 9/√3 . √3/√3
= 9√3/3
= 3√3
b. 2-√2/√2 =
= 2-√2/√2 . √2/√2
= 2√2.2/2
= 2√2
c. 3/3-√2 =
= 3/3-√2 . 3+√2/3+√2
= 9+3√2/3-2
= 9+3√2