1.

A particle moves in a straight line with a velocity given by \[\frac{dx}{dt}=x+1\](x is the distance described). The time taken by a particle to traverse a distance of 99 metre is

A.      \[{{\log }_{10}}e\]   
B.      \[2{{\log }_{e}}10\]
C.      \[2{{\log }_{10}}e\] 
D.      \[\frac{1}{2}{{\log }_{10}}e\]
Answer» C.      \[2{{\log }_{10}}e\] 


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