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Question
Verify whether the indicated numbers is zeroes of the polynomials corresponding to them in the following case:
`f ( x ) = 5x - pi , x = 4/5`
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Solution
We know `f ( x ) = 5x - pi , x = 4/5`
put `x=4/5⇒ f (4/5)=5xx4/5-pi=4-pi≠0`
`∴x=4/5 `is not a root of `f(x)=5x-pi`
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