SOLUTION: Find y as a function of x; the constant C is a positive number. ln(y-1) + ln(y+1) = -x + C Please help me with this; thanx

Question 149982: Find y as a function of x; the constant C is a positive number.
ln(y-1) + ln(y+1) = -x + C
Please help me with this; thanx
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Find y as a function of x; the constant C is a positive number.
:
ln(y-1) + ln(y+1) = -x + C
:
ln[(y-1)*(y+1)] = - x + c; adding logs means multiply
:
ln(y^2 - 1) = -x + c; FOILed
:
; find of both sides
:
; add 1 to both sides:
:
y = ; find the square root of both sides
:

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