1/2n+3=3 There is an index of 4 1/2n +3=3^4 1/2n+3=81 1/2n=78 n=36
Do you mean [ 1/(2n+3) ]^(1/4) = 3 ??? if so 1/(2n+3) = 81 81 (2n + 3) = 1 162 n + 243 = 1 162 n = -242 n = - 1.49
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