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Functions

If fx=x2-p x+...

Question

If $f (x) = x^{2} - p x + q$ , then f(x)= 0 when x=k & $x = 2 k^{2}$ . Find $q + 4 (q^{2}) + 6 p q =$

q^{2}

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p^{3}

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0

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2 (p^{3})

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Solution

The correct option is D $2 (p^{3})$
Option D is the correct answer. Check the video for the approach.

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