tylermdons
14.07.2019 •
Mathematics
1. if x
and xy are perfect squares, where x and y are positive integers, what is the smallest value of x + y?
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Ответ:
8
Step-by-step explanation:
xy^2 = k*k y^2 x = k * k so x has to be a perfect square.
xy is a perfect square which means that since x is a perfect square (see above) then y will have to be as well
There is nothing that prohibits x = 4 and y = 4 as being the answer where x = y.
I think the smallest possible value for x + y is 8.
This excludes any possibility of 1 or 0 in some combination, although I would look into 1.
Ответ:
16
Step-by-step explanation: