relation between zeros and coefficients of quadratic equation x2- 4
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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...
=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...
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