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Cody · Q10

Sequences & seriesPowers & logarithms

The following are three consecutive terms of an arithmetic progression:

log⁡32,log⁡3(2x+1),log⁡3(2x+10).\log_3 2,\qquad\log_3(2^x+1),\qquad\log_3(2^x+10).

Find xx.

A11
Blog⁡2192\frac{\log_2 19}2
Clog⁡2123\frac{\log_2 12}3
Dlog⁡2142\frac{\log_2 14}2
Elog⁡3123\frac{\log_3 12}3

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