Correct Answer: Option B

Explanation

Y = Px² + q

Y = 2x² - 1

Px² + q = 2x² - 1

Px² = 2x² - 1 - q

p = \(\frac{2x^2 - 1 - q}{x^2}\)

at x = 2

P = \(\frac{2(2)^2 - 1 - q}{2^2}\)

= \(\frac{2(4) - 1 -q}{4}\)

= \(\frac{8 - 1 - q}{4}\)

P = \(\frac{7 - q}{4}\)

There is an explanation video available below.

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