Question

If α&β are the zeroes of the polynomial 5x²-7x+2,then find the sum of their reciprocal

Answer 1

hey!
just find roots of polynomial
use
X=
$5 ( + - ) \sqrt{7^{2} + 4 \times 7 \times 5 } \div (10)$
u will get
$\alpha \\ \beta$
then just use there reciprocal to find ans