Page 32 - More Higher algebra

4.

Find the solution to the equation,

= 2 ln( + 3) − ln( + 1) − 3 ln(2)

Let y = 0 then,

2
3
ln( + 3) − ln( + 1) = ln(2)

( + 3) 2
ln [ ] = ln(8)
( + 1)

Remove logs

( + 3) 2
= 8
( + 1)

Multiply both sides by (x + 1),

2
( + 3) = 8( + 1)

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