求log(2)(3+n^2)-2=log(2)3解题过程.

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求log(2)(3+n^2)-2=log(2)3解题过程.求log(2)(3+n^2)-2=log(2)3解题过程.求log(2)(3+n^2)-2=log(2)3解题过程.log(2)(3+n^2)

求log(2)(3+n^2)-2=log(2)3解题过程.
求log(2)(3+n^2)-2=log(2)3解题过程.

求log(2)(3+n^2)-2=log(2)3解题过程.
log(2)(3+n^2)-2=log(2)3
log(2)(3+n^2)=log(2)3+2
log(2)(3+n^2)=log(2)3+log(2)4
log(2)(3+n^2)=log(2)12
3+n^2=12
n^2=9
n=±3

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