If y = log10 x + logx 10 + logx x + log10 10 then what is \({\left( {\frac{{dy}}{{dx}}} \right)_{x = 10}}\) equal to?

If y = log10 x + logx 10 + logx x + log10 10 then what is \({\left( {\

1.	If y = log10 x + logx 10 + logx x + log10 10 then what is \({\left( {\frac{{dy}}{{dx}}} \right)_{x = 10}}\) equal to?
A.	10
B.	2
C.	1
D.	0
Answer» E.

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If y = log10 x + logx 10 + logx x + log10 10 then what is \({\left( {\frac{{dy}}{{dx}}} \right)_{x = 10}}\) equal to?

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