Question

If p and q are the zeros of the polynomial f(x) =2x²-7x+3 ,find the value of p²+q²

Answer 1

(p+q)^2=p^2+q^2+2pq
(7/2)^2=p^2+q^2+2×3/2
p^2+q^2=37/4

Answer 2

roots are 7+5/2 and 7-5/2
= 6 and 1
ur ans is 36+1=37