Odpowiedź:
a = 4 - √3
liczba odwrotna to 1/a = 1/(4 - √3) = (4 + √3)/[(4 - √3)(4 + √3)] =
= (4 + √3)/(16 - 3) = (4 + √3)/13
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Odpowiedź:
a = 4 - √3
liczba odwrotna to 1/a = 1/(4 - √3) = (4 + √3)/[(4 - √3)(4 + √3)] =
= (4 + √3)/(16 - 3) = (4 + √3)/13