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ElizaSchuyler10
30.04.2021 •
Mathematics
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Ответ:
x---------------> first positive odd integer
x+2------------> second positive consecutive odd integer
we know that
(x+2)²=2x²-1---------> x²+4x+4=2x²-1-------> x²-4x-5
x²-4x-5=0
using a graph tool--------> to calculate the quadratic equation
see the attached figure
the solution is
x=5
the answer is
the first positive odd integer x is 5
the second positive consecutive odd integer x+2 is 7