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If f(x) is a polynomial of degree 4 wi...

If ` f(x) ` is a polynomial of degree 4 with rational coefficients
and touches x - axis at ` (sqrt(2) , 0 )` , then for the equation
` f(x) = 0`,

A

sum of roots is 0

B

sum of roots is `4sqrt2`

C

product of rqots is 4

D

product of roots is -4

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The correct Answer is:
A, C
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