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Express 9^(3x+1) in the form 3^y, giving "y" in the form "ax+b" where "a" and "b" are constants.

9= 32 so 93x+1 = 32(3x+1) = 36x+2

y= 6x+2 where a=6 and b=2 

Answered by Laura B. • Maths tutor

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