Rasionalkan bentuk akar berikut. 24 ____ 3-√7
Matematika
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Pertanyaan
Rasionalkan bentuk akar berikut.
24
____
3-√7
24
____
3-√7
2 Jawaban
-
1. Jawaban Novia1vhsbdg
24 = 24 x 3+√7 = 72 + 24√7 = 72 +24√7 = 36+12√7
3-√7 3-√7 3+√7 9+3√7-3√7-7 2 -
2. Jawaban kautsarmus
24 ÷ 3-√7
=24(3+√7) ÷ (3-√7)(3+√7)
=72+24√7 ÷ 9-7
=72+24√7 ÷ 2
=36+12√7