SOLUTION: I really need help with this problem. Please show every step by step. Thank you
The polynomial of degree 4, P(x) has a root of multiplicity 2 at x=2 and roots of multiplicit
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Question 995119: I really need help with this problem. Please show every step by step. Thank you
The polynomial of degree 4, P(x) has a root of multiplicity 2 at x=2 and roots of multiplicity 1 at x=0 and x=−2 . It goes through the point (5,252) .
Find a formula for P(x) .
Answer by ikleyn(52865) (Show Source): You can put this solution on YOUR website!
.
The polynomial of degree 4, P(x) has a root of multiplicity 2 at x=2 and roots of multiplicity 1 at x=0 and x=−2. It goes through the point (5,252).
Find a formula for P(x).
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According to the given information about the roots, the polynomial is
P(x) = = (1)
with some unknown real coefficient .
To find , use the fact that the plot of the polynomial goes through the point (5,252). It means that P(5) = 252.
So, simply substitute x=5 into the polynomial (1). You will get the equation
= , or
= , or
= .
Hence, = = .
Therefore, P(x) = ..
You can open the parentheses if you need.
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