zadanie w załączniku
Pomocy !!!
... = √144 + √(64/49) - 2 i 4/7 - 3 i 1/3 = 12 + 8/7 - 2 i 4/7 - 3 i 1/3 = 12 i 8/7 - 2 i 4/7 - 3 i 1/3 =
10 i 4/7 - 3 i 1/3 = 10 i 12/21 - 3 i 7/21 = 7 i 5/21
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... = √144 + √(64/49) - 2 i 4/7 - 3 i 1/3 = 12 + 8/7 - 2 i 4/7 - 3 i 1/3 = 12 i 8/7 - 2 i 4/7 - 3 i 1/3 =
10 i 4/7 - 3 i 1/3 = 10 i 12/21 - 3 i 7/21 = 7 i 5/21