If alpha and beta are the zeros of x^2+pc+q, find (Alpha/beta +2)(beta/alpha+2) ?
If alpha and betaαandβ are the zeros of x^2+px+q,x2+px+q, find
(alpha/beta +2)(beta/alpha+2) ?(αβ+2)(βα+2)?
If
3 Answers
The answer is
Explanation:
The quadratic equation is
The roots are
Therefore,
and
We need
Finally,
Explanation:
Given that
Thus,
Explanation:
Given:
Here,
Substituting
Thus,