Q. 64.3( 3 Votes )

B. 1.3898

C. 1.3893

D. none of these

Answer :

let y=f(x)=logx

Let x=4,


X+Δx=4.01,


Δx=0.01,


For x=4,


Y=log4=1.3868,


y=logx



Δy=dy




Δy=0.0025


So, log(4.01)=y+Δy


=1.3893

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