The ordinate x=a divides the area bounded by the x-axis, the curve y=1+ 8 x^2 and the ordinates x=2 and x=4...

Question

The ordinate x=a divides the area bounded by the x-axis, the curve y=1+ 8 x^2 and the ordinates x=2 and x=4 into equal parts. Then a is

Accepted Answer

(C)

JEE Advanced Mathematics question