Given,
Sum of zeroes = α+β = 4
Product of zeroes = αβ = 1
∴ If α and β are zeroes of any quadratic polynomial, then the quadratic polynomial equation can be written directly as:-
x2–[α+β]x+αβ = 0
x2–4x+1 = 0
Thus, x2–4x+1 is the quadratic polynomial.