p216 q14 re.ex10
Hello, afeasfaerw23231233!@
Consider the equation: .
(a) Let
Show that (*) can be written as: .
We have: .
Then: .
Let and we have: .
(b) Hence find the general solution of (*).
We have: .
Expand: .
Simplify: .
And we have the quadratic: .
. . which factors: .
. . and has roots: .
has no real roots.
. . Therefore: .