Question

find the quradratic polynomial whose sum and product are 21 ÷6 and 5÷16

Answer 1

let the sum =a+b
product=ab
so the quadratic equation is
x^2-(a+b)x+ab=0
x^2-(21÷6) X+5÷16=0
implies16x^2-56x+5=0

Answer 2

The quadratic polynomial is x2 -21x/6+5/16