1.

If `x=2` and `x=0` are roots ofthe polynomial `f(x)=2x^3-5x^2+ax+b`. Find the values of a and b

Answer» `f(x)=2x^3-5x^2+ax+b=0`
let x=0
`f(0)=0-0+0+b=0`
`b=0`
`f(2)=16-20+2a+b=0`
`2a+b=4`
`a=2`


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