Math Olympiad | A Nice Algebra Problem | VIJAY Maths
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- เผยแพร่เมื่อ 20 ก.ย. 2024
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(10)+(10) =20 (2^5)+(2^5) (1^1)+(2^1).(2^1) (y ➖ 2x+1) 2^22 2^11 2^11^1 2^1^1 2^1 (xy ➖ 2xy+1).
x +y =20
xy =44
x.x+,y.y +2xy = 400
-- 4xy =--176
,x.x --2xy +y.y = 224
x --y = 4(root14)
x = 10 ±2 root 14//