ellyssabailey2006
05.02.2020 •
Mathematics
A
2 – b2 ≡ (a + b)(a – b)
a and b are positive whole numbers with a > b
a
2 – b2 is a prime number.
why are a and b consecutive numbers?
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Ответ:
so a and b is consecutive = 1
Step-by-step explanation:
if a + b = 1
a-b = -1
Ответ:
similar => 1/2 = x/4 => x = 4*1/2 = 2 cm
A = 2cm*4cm = 8 cm²