If the roots of #2x^2+4x-1=0# are #a# and #b#, find #a^2+b^2#?
1 Answer
Dec 11, 2016
Explanation:
Sum of roots in a qudratic equation
If roots of
we have
Hence
=
=
=
=
Sum of roots in a qudratic equation
If roots of
we have
Hence
=
=
=
=