The least value of expression 2log10 x - logx (1/100) for x>1 is: Choose the correct option:	A) 2	B) 3	C) 4	D) 5	E) 6
2log10 x = logx1/100 x = log10 10^-2/log10 x   =2log10 x + 2/log10 x   =2[log10 x - 1/log10 x]   since x&gt;1=&gt;log10 x &gt;0   log10 x+ 1/log10^x&gt;=2=&gt; for x = 10, 2[log10 x + 1/log 10 x] &gt; 4   Hence least value is 4   ANSWER 4
<result>C</result>
The least value of expression 2log10 x - logx (1/100) for x>1 is: