Pertanyaan

Dengan merasionalkan penyebut, bentuk 1 − 2 ( 2 + 3 ) 2 − 7 = ......

Dengan merasionalkan penyebut, bentuk $\frac{( 2 + 3 ) ^{2} - 7}{1 - 2} =$ ......

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Klaim

I. Sutiawan

Master Teacher

Mahasiswa/Alumni Universitas Pasundan

Jawaban terverifikasi

Pembahasan

$begin mathsize 14px style fraction numerator left parenthesis 2 plus square root of 3 right parenthesis squared minus 7 over denominator 1 minus square root of 2 end fraction equals fraction numerator left parenthesis 4 plus 4 square root of 3 plus 3 right parenthesis minus 7 over denominator 1 minus square root of 2 end fraction equals fraction numerator 4 square root of 3 over denominator 1 minus square root of 2 end fraction cross times fraction numerator 1 plus square root of 2 over denominator 1 plus square root of 2 end fraction equals fraction numerator 4 square root of 3 left parenthesis 1 plus square root of 2 right parenthesis over denominator 1 minus 2 end fraction equals negative 4 left parenthesis square root of 3 plus square root of 6 right parenthesis end style$