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JEE MATHEMATICS MCQ: DEFINITE INTEGRATION

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If I1=∫01  2x2   dx,    I2=∫01  2x3   dx,    I3=∫12  2x2   dx    and  I4=∫12  2x3   dx{I_1} = \int \nolimits_0^1 \,\,{2^x}^2\;\,dx,\;\,\,{I_2} = \int \nolimits_0^1 \,\,{2^x}^3\;\,dx,\;\,\,{I_3} = \int \nolimits_1^2 \,\,{2^x}^2\;\,dx\,\,\;\mathrm{and}\,\,{I_4} = \int \nolimits_1^2 \,\,{2^x}^3\;\,dx, then
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Correct option: C
I1>I2{I_1} > {I_2}
Option D (I2 < I1) is correct because for x in [0, 1], 2(x3) < 2(x2), implying that the integral I2 is less than I1.

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