b+c/a)=1 log8(a+b-c)=2/3求ab若abc属于正数,且满足a平方+b平方=c平方(1)求log2(1+ b+c/a)+log2(1+ a-c/b)的值.
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![b+c/a)=1 log8(a+b-c)=2/3求ab若abc属于正数,且满足a平方+b平方=c平方(1)求log2(1+ b+c/a)+log2(1+ a-c/b)的值.](/uploads/image/z/3714417-9-7.jpg?t=b%2Bc%2Fa%EF%BC%89%3D1+log8%EF%BC%88a%2Bb-c%EF%BC%89%3D2%2F3%E6%B1%82ab%E8%8B%A5abc%E5%B1%9E%E4%BA%8E%E6%AD%A3%E6%95%B0%2C%E4%B8%94%E6%BB%A1%E8%B6%B3a%E5%B9%B3%E6%96%B9%2Bb%E5%B9%B3%E6%96%B9%3Dc%E5%B9%B3%E6%96%B9%EF%BC%881%EF%BC%89%E6%B1%82log2%EF%BC%881%2B+b%2Bc%2Fa%EF%BC%89%2Blog2%EF%BC%881%2B+a-c%2Fb%EF%BC%89%E7%9A%84%E5%80%BC.)
b+c/a)=1 log8(a+b-c)=2/3求ab若abc属于正数,且满足a平方+b平方=c平方(1)求log2(1+ b+c/a)+log2(1+ a-c/b)的值.
b+c/a)=1 log8(a+b-c)=2/3求ab
若abc属于正数,且满足a平方+b平方=c平方(1)求log2(1+ b+c/a)+log2(1+ a-c/b)的值.
b+c/a)=1 log8(a+b-c)=2/3求ab若abc属于正数,且满足a平方+b平方=c平方(1)求log2(1+ b+c/a)+log2(1+ a-c/b)的值.
若abc属于正数,且满足a平方+b平方=c平方
log2 [1+ (b+c)/a] + log2 [1+ (a-c)/b]
=log2 [(a+b+c)/a] + log2 [(a+b-c)/b]
=log2 [(a+b+c)(a+b-c)/(ab)]
=log2 [(a+b)平方-c平方]/(ab)
=log2 [(2ab)/(ab)]
=log2 2
=1