Ответ:
Объяснение:
1 1
10[----------- - -------------] =
2√3+1 2√3-1
2√3-1 - (2√3+1)
=10[----------------------------] =
(2√3+1)(2√3-1)
2√3-1 -2√3-1
(2√3)²-1²
-2
12-1
-20
=---------- = -1 9/11
11
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Ответ:
Объяснение:
1 1
10[----------- - -------------] =
2√3+1 2√3-1
2√3-1 - (2√3+1)
=10[----------------------------] =
(2√3+1)(2√3-1)
2√3-1 -2√3-1
=10[----------------------------] =
(2√3)²-1²
-2
=10[----------------------------] =
12-1
-20
=---------- = -1 9/11
11