The area of the region between the curves y = 1 + x x and y = 1 - x x bounded by the lines x = 0 and x = 4 is

JEE Advanced 2008 Mathematics question

The area of the region between the curves and bounded by the lines x = 0 and is

Answer: (B)

On the first curve lies above the second. Put : , , so and the difference of the square

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Question ID VK-037608