Consider the region bounded by f(x)=x3, the x-axis, x=0, and the line x=4. If the line x=K divides this region into two parts of equal area, then the value of K2 is
A
4
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B
4√2
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C
8
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D
8√2
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Solution
The correct option is D8√2 2∫K0x3dx=∫40x3dx K42=64 K4=128 K2=8√2.