2 and -3 are the root of?
- (x−2)(x+3)=0
- (x−3)(x−4)=0
- (x+2)(x+3)=0
- (x−2)(x−3)=0
Explanation
If r₁ and r₂ are roots of a quadratic equation, then it can be written as:
Substituting r₁ = 2 and r₂ = -3:
If r₁ and r₂ are roots of a quadratic equation, then it can be written as:
Substituting r₁ = 2 and r₂ = -3:
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