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Find two consecutive numbers with a product of 121
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5 votes
Find two consecutive numbers with a product of 121

User Marcos Roriz Junior
by
8.5k points

1 Answer

5 votes
One number: x
Its consecutive: x + 1

Product:

x(x+1)=121
x² + x - 121 = 0

Δ = 1² - 4.1.(-121)
Δ = 1+484
Δ = 485

As square root of 485 is not integer, do not exist two consecutive numbers with product of 121
User Rae Burawes
by
7.6k points
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