13. If loge (x+2)+loge (x-2y+z) = 2...
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13. If loge (x+2)+loge (x-2y+z) = 2 loge (x-z), then (a) xy + yz = 2xz (b) y + yz = xz (c) x+yz=2yz (d) none of these Cx+y

JEE/Engineering Exams
Maths
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( log _{e}(x+2)+log _{e}(x-2 y+2)=2 log _{e}(x-2) ) ( log _{7}+log _{B}=log (A B) ) ( log _{e}((x+2)(x-2 y+2)]=log _{e}(x-2)^{2} ) ( (x+7)(x+2-2 y)=(x-2)^{2} ) ( (x+2)(x+2)-2 y(x+z)=(x-2)^{2} ) ( x^{2} y^{2}-2 y^{2} )
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