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Use the factor theorem tio determine whe...

Use the factor theorem tio determine whether `(x-1)` is a factor of `f(x)=2sqrt2x^(3)+5sqrt2x^(2)-7sqrt2`

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By using factor theorem,(x-1) is a factor of f(x), only when f(1) = 0
`f(1)=2sqrt2(1)^(3)+5sqrt2(1)^(2)-7sqrt2=2sqrt2+5sqrt2-7sqrt2=0`
`" Hence",(x-1)` is a factor of f(x).
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