Neh

The focal length of a mirror is given by 1/f=1/u+1/v where u and v represent object and image distances respectively,The maximum relative error in f is ?

solve (x+2)/x>=0.2 with steps

Answer is (E) Log 25 base 5=2 because Log a base b=c is b^a=c

Site added 0.5 million acc each day Let us suppose site added 0.5 million acc on day 1 on day 2 new 0.5 acc would be added and 0.5 acc from day 1 are already present so total acc would be 0.5+0.5=1 million So 1 million acc are added every 2 days in this p...

I found the same answer but answer is x<-5/2 see on wolfram alpha

thanks steve