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For Chinu - (2)

Calculus Level 2

\[\Large \dfrac{d}{dx} \int_{1}^{x^4} \sec t \ dt = \ ?\]

\[4x^3\tan x^4 \] \[5x^4\sec x^5\] \[4x^3\sec x^4 \] \[5x^4\tan x^5\]

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by Nihar Mahajan

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