Question

pls give me answer........

if 3 power(m-1)+3 power(m+1)=810 find the value of m.​

Answer 1

Step-by-step explanation:

3 power (m-1) +3 power (m+1) =810

bases are equal therefore powers must be added

therefore

               m-1+m+1=0          { (+1)+(-1)} =0

                2m=0

                 m= -2

Answer 2

Step-by-step explanation:

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