Question 1060227
36 raised to the r power = 216 raised to the 2r power.

Solve for R. 
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{{{36^r = (6^2)^(2r) = 6^(4r)}}}
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{{{216^(2r) = (6^3)^(2r) = 6^(6r)}}}
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{{{6^(4r) = 6^(6r)}}}
4r = 6r
2r = 0
r = 0