If α and β are the zeros of the quadratic polynomial
, find a quadratic polynomial whose zeros are
.
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A quadratic equation when sum and product of its zeros is given by:
, where k is a constant
Sum of the roots =
=
=
= ![]()
Product of the roots =
=
= ![]()
Sum of the zeros of new eqn =
= ![]()
⇒
=
=
=
[Using (a + b)2 = a2 + b2 + 2ab]
⇒
=
= ![]()
Product of the zeros of new eqn =
= ![]()
⇒
=
=
= ![]()
⇒
=
= ![]()
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