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If a2sec2x – b2tan2x = c2 then the value of sec2x + tan2x is equal to (assume b2 ≠ a2)

A (b^2 – a^2 + 2c^2 / b^2 + a^2)

B (b^2 + a^2 – 2c^2 / b^2 – a^2)

C (b^2 – a^2 – 2c^2 / b^2 + a^2)

D (b^2 – a^2 / b^2 + a^2 + 2c^2)

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