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Let \((a,b)\) be the point of intersection of the curve \({x}^{2}=2y\) and the straight line \(y-2x-6=0\) in the second …

Q1

Let \((a,b)\) be the point of intersection of the curve \({x}^{2}=2y\) and the straight line \(y-2x-6=0\) in the second quadrant. Then the integral \(I={\int }_{a}^{b}\frac{9{x}^{2}}{1+{5}^{x}}dx\) is equal to :

a

\(24\)

b

\(27\)

c

\(18\)

d

\(21\)

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