Question

relation between zeros and coefficients of quadratic equation x2- 4

Answer 1

X^2 - 4
=x^2 - 2^2
=(x-2)(x+2)
Therefore x= 2 , -2
ie α,β = 2,-2

Verification...

α +β = -b/a
2+-2=0/1
0=0
Lhs=rhs

αβ = c/a
2*-2= -4/1
-4= -4
Lhs = rhs

Hence verified...