1.

If \[(x-2)\] is one factor of\[{{x}^{2}}+ax-6=0\]and\[{{x}^{2}}-9x+b=0\], find\[a+b\].

A.  \[15\]                           
B.  \[13\]               
C.  \[11\]               
D.         \[10\]               
Answer» B.  \[13\]               


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