_$$\eqalign{ & {\text{If}}\,\,{\log _{10}}2 = a\,{\text{and}} \cr & {\ – McqOptions

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1.	_$$\eqalign{ & {\text{If}}\,\,{\log _{10}}2 = a\,{\text{and}} \cr & {\log _{10}}3 = b,\,{\text{then}} \cr & {\log _5}12 = ? \cr} $$$?
A.	(a+b)/(1+a)
B.	(2a+b)/(1+a)
C.	(a+2b)/(1+a)
D.	(2a+b)/(1-a)
Answer» E.

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