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Verified answer
Materi : Rasionalkan bentuk akarPembahasan :
4/(3 + √2)
= 4/(3 + √2) . (3 - √2)/(3 - √2)
= 4(3 - √2)/(9 - 2)
= 4(3 - √2)/7
= (12 - 4√2)/7