3^2x+4 +1 = 2(3)^x+2
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Answer:
Step-by-step explanation
LET 3^(x+2)=K ...... (1)
NOW,
3^2(x+2) - 2 X 3^(x+2) + 1 = 0
FROM (1)
K^2 - 2K + 1 = 0
(K-1)^2 = 0
K = 1
HOPE IT HELPS.....
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