Potrzebuję pomocy ze wzorami skróconego mnożenia:
DP-do potęgi...
a)(3+3)DP2
b)(3-2)DP2
c)(4+2)DP2
d)(5-3)DP2
e)(+)DP2
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a)(3+3)DP2 = 9*2 + 18√2 + 9 = 18 +18√2 + 9 = 27 + 18√2 = 9(3+2√2)
b)(3-2 )DP2 =9*3 - 12√3 + 4 = 31-12√3
c)(4+2)DP2 = 16 + 16√2 + 8 = 24+16√2 = 8(3+2√2)
d)(5-3)DP2 = 25 - 30√3 + 27=52-30√3
e)(+)DP2 = 2 + 2√6 + 3 = 5 +2√6