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√5 / 2√5 -1
√2 / 2√2 -1
√7 / 2√7 -1
√3 / 2√3 - 1
√5 / 2√5 - 1 całość razy (2√5 + 1) / (2√5 + 1) = (10 +√5) /19
√2/ 2√2 -1 całość razy (2√2 + 1) / (2√2 + 1) = (4 + √2) / 7
√7 / 2√7 - 1 całość razy (2√7 +1)/ (2√7 +1) = (14 + √7)/ 27
√3 / 2√3 - 1 całość razy (2√3 +1) / (2√3 +1) = (6 + √3) / 11
√5 / 2√5 -1 =
√5 2√5 +1 √5(2√5 +1) 2*5 +√5 10+√5 10 +√5
= ------- * --------- = ----------------- -- = -------------- = --------- = ---------
2√5 -1 2√5 +1 (2√5 -1)(2√5 +1) (2√5)² -(1)² 4*5 -1 19
√2 / 2√2 -1 =
√2 2√2 +1 √2(2√2 +1) 2*√2*√2 + √2 2*2+√2 4 +√2
= ----- * --------- = ---------------- -- = ------------ = --------- = ---------
2√2 -1 1√2 +1 (2√2 -1)(2√2 +1) (2√2)² -1² 4*2 -1 7
√7 / 2√7 -1 =
√7 2√7 +1 √7(2√7 +1) 2*√7*√7 +√7 2*7 +√7 14 +√7
= ------- * --------- = --------------- = -------------= ----------- = ---------
2√7 -1 2√7 +1 (2√7-1)(2√7 +1) (2√7)² - 1¹ 4*7 -1 27
√3 / 2√3 - 1 =
√3 2√3 +1 √3(2√3 +1) 2*3 +√3 6 + √3 6 +√3
= ------- * --------- = ------------------ = ------------ = --------- = ---------
2√3 -1 2√3 +1 (2√3 -1)(2√3 +1) (2√3)² - 1² 4*3 -1 11
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√5 / 2√5 - 1 całość razy (2√5 + 1) / (2√5 + 1) = (10 +√5) /19
√2/ 2√2 -1 całość razy (2√2 + 1) / (2√2 + 1) = (4 + √2) / 7
√7 / 2√7 - 1 całość razy (2√7 +1)/ (2√7 +1) = (14 + √7)/ 27
√3 / 2√3 - 1 całość razy (2√3 +1) / (2√3 +1) = (6 + √3) / 11
Usuń niewymierność z mianownika :
/ to kreska ułamkowa :)
√5 / 2√5 -1 =
√5 2√5 +1 √5(2√5 +1) 2*5 +√5 10+√5 10 +√5
= ------- * --------- = ----------------- -- = -------------- = --------- = ---------
2√5 -1 2√5 +1 (2√5 -1)(2√5 +1) (2√5)² -(1)² 4*5 -1 19
√2 / 2√2 -1 =
√2 2√2 +1 √2(2√2 +1) 2*√2*√2 + √2 2*2+√2 4 +√2
= ----- * --------- = ---------------- -- = ------------ = --------- = ---------
2√2 -1 1√2 +1 (2√2 -1)(2√2 +1) (2√2)² -1² 4*2 -1 7
√7 / 2√7 -1 =
√7 2√7 +1 √7(2√7 +1) 2*√7*√7 +√7 2*7 +√7 14 +√7
= ------- * --------- = --------------- = -------------= ----------- = ---------
2√7 -1 2√7 +1 (2√7-1)(2√7 +1) (2√7)² - 1¹ 4*7 -1 27
√3 / 2√3 - 1 =
√3 2√3 +1 √3(2√3 +1) 2*3 +√3 6 + √3 6 +√3
= ------- * --------- = ------------------ = ------------ = --------- = ---------
2√3 -1 2√3 +1 (2√3 -1)(2√3 +1) (2√3)² - 1² 4*3 -1 11