Ответ:
7
--- * \/2= 7
\/2
1
- --- * \/3 = -1
\/3
1+\/2 1-\/2 1-2 -1 1
----------- * --------- = --------- = ----- = ----
1 - \/3 1+\/3 1-3 -2 2
1-\/2 1+\/2 1-2 -1 1
-------- * -------- = ------- = -------- = ----
1+\/5 1-\/5 1-5 -4 4
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Ответ:
7
--- * \/2= 7
\/2
1
- --- * \/3 = -1
\/3
1+\/2 1-\/2 1-2 -1 1
----------- * --------- = --------- = ----- = ----
1 - \/3 1+\/3 1-3 -2 2
1-\/2 1+\/2 1-2 -1 1
-------- * -------- = ------- = -------- = ----
1+\/5 1-\/5 1-5 -4 4