SOLUTION: Roots of ax^2+bx+c=0 are alpha and beta then find 1/alpha+1/beta.
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Question 928309
:
Roots of ax^2+bx+c=0 are alpha and beta then find 1/alpha+1/beta.
Answer by
richard1234(7193)
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You can
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We have
. The sum of the roots of the quadratic
is
and their product is
, so
and
. Hence the answer is
.