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praxer
 one year ago
Find the Cubic in x which vanishes when x=1 and x=−2 and has values 4 and 8 when x=−1 and x=2 resprectively.
praxer
 one year ago
Find the Cubic in x which vanishes when x=1 and x=−2 and has values 4 and 8 when x=−1 and x=2 resprectively.

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ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.1Let the required cubic be \(f(x) = k(x1)(x+2)(xa)\) plugin the given values and solve \(a,k\)

praxer
 one year ago
Best ResponseYou've already chosen the best response.1thank u : $$\frac{4x^3+2x^210x+4}{3}$$ and $$k=4/3\ and \ a=1/2$$
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