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If 3 is a zero of the Polynmial x² + 20e-a, then find a . with process |
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Answer» 15Step-by-step EXPLANATION:LET p(X)=x 2 +2x−aAs the zero of this polynomial is 3, we know that p(3)=0.x 2 +2x−a=0Put x=3, we GET(3) 2 +2(3)−a=0⇒9+6−a=0⇒15−a=0⇒−a=−15⇒a=15 |
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