how can i solve 2(ln(x))^2=8 ? Dont know how it´s simplified to ln(x) =+/- 2
Solve for x:
2 log^2(x) = 8
Divide both sides by 2:
log^2(x) = 4
Take the square root of both sides:
log(x) = 2 or log(x) = -2
Cancel logarithms by taking exp of both sides:
x = e^2 or log(x) = -2
Cancel logarithms by taking exp of both sides:
Answer: | x = e^2 or x = 1/e^2=ln +/- 2
