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Zastosowane wzory:
(a + b)² = a² + 2ab + b²
(a - b)² = a² - 2ab + b²
(a - b)³ = a³ - 3a²b + 3ab² - b³
b)√36²-28²=√1296-784=√512=16√2
c)
d)
e)
f)
g)
h)√27 - √12=3√3 - 2√3=√3
i)√2 + √32 + √50 = √2 + 4√2 + 5√2 =10√2
j)(√6 - √2)² = 6 - 2√12 + 2 = 8-4√3=4(2-√3)
k) (3-√5)²=9-6√5+5=14-6√5=2(7-3√5)
l) (√2+√7)²=2+2√14+7=9+2√14
m) (1-√3)³=1-3√3+3*3-3√3=1-3√3+9-3√3=10-6√3=2(5-3√3)