xy=(8-3)/6=5/6
x^2-6xy+y^2
=(x-y)^2-4xy
=√2^2-4×5/6
=-4/3
ミスってるかもしれませんが、やり方としてはこうなはずです。
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xy=(8-3)/6=5/6
x^2-6xy+y^2
=(x-y)^2-4xy
=√2^2-4×5/6
=-4/3
ミスってるかもしれませんが、やり方としてはこうなはずです。
Users viewing this question
are also looking at these questions 😉