Please solve question no.19.


Dear Student,

Hi,.13th;-2log10x+1 = log10250we know that log10a+log10b = log10ab and  a log10x=   log10xaalso 1 = log1010log10x2+ log1010= log10250 log1010×x2= log10250comparing both side 10×x2= 250 x2= 25 x = 5 neglect -5 because value inside log cannot be negativealso then log102x= log1010= 1 Please post single query in a thread

*Please do not consider the above line* 

Regards

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