Mathematics
Senior High
Resolved
上から3番目の所でa^2+c^2-b^2でくくれるのでしょうか
両辺に2abc を掛けると
BCD-EECH MOVIE
a²(b²+c²-a²) = c² (a²+b² - c²)
a-c-a2b2+b²c² = 0
RED BELC
DEC (4
(a²-c²)(a²+c²)-b² (a² - c²) = 0
20. (a-c)(a+c)(a² + c²-b²) = 0
a>0, c0 より
a=c
ta²+c² = b²
牛肉
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