bells6688 bells6688 15-02-2024 Mathematics contestada Using the substitution u=sec(x), rewrite the integral ∫ tan⁷(x)sec(x)dx as an integral involving u. Which of the following options correctly represents the new integral?A. ∫ u⁷ duB. ∫ u⁶ duC. ∫ u⁸ duD. ∫ u⁵ du