Cho 4x^2 + 2y^2 – 4xy -4xz +2yz -6y -10z+34=0 Tính : M= (x-4)^2019 +(y-4)^2020+ (z-4)^2021

Question

Cho 4x^2 + 2y^2 – 4xy -4xz +2yz -6y -10z+34=0
Tính :
M= (x-4)^2019 +(y-4)^2020+ (z-4)^2021

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Ladonna 6 years 2020-10-14T12:18:57+00:00 0 Answers 87 views 0

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )