Find the common ratio and write out the first four terms of the geometric sequence 9n+26\displaystyle {\frac{{{9}^{{{n}+{2}}}}}{{{6}}}}


Common ratio is  


a1=\displaystyle {a}_{{1}}=   ,  \displaystyle \ a2=\displaystyle {a}_{{2}}=   ,  \displaystyle \ a3=\displaystyle {a}_{{3}}=   ,  \displaystyle \ a4=\displaystyle {a}_{{4}}=    \displaystyle \

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