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Integrals — MATHS STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceMATHSIntegrals1 Mark
Question
Write an anti derivative of function using the method of inspection: $3x^2 + 4x^3$
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Answer

A function whose anti derivative is $3x^2 + 4x^3.$
$\frac{d}{d x}\left(x^{3}+x^{4}\right)=3 x^{2}+4 x^{3}$
Therefore, an anti derivative of $3x^2 + 4x^3$ is $x^3 + x^4$​​​​​​​

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