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Question
Find the polynomial having roots at 0 , 1 and −5 .
Answer
The polynomial generated from the given zeros is: P(x)=x3+4x2−5x
Explanation
Step 1: Turn the zeros into factors:
Zero | Factor |
0 | x |
1 | x−1 |
−5 | x+5 |
Step 2: Multiply the factors together:
P(x)=x⋅(x−1)⋅(x+5)=x3+4x2−5x