Answer :

princessesther2011

Answer:

402.43

Step-by-step explanation:

In√(1+x) = log 8 base 2

log 8 base 2 = 3

In√(1+x) = 3

√(1+x) = e^3

1+x = (e^3)^2

1+x = e^6

1+x = 403.43

x = 403.43 - 1 = 402.43

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