Mathematics

Mathematics

Problem

Determine ddx[xsec⁡x]\dfrac{d}{dx}[x\sec x]. a) tan⁡x+xsec⁡xtan⁡x\tan x + x\sec x\tan x b) sec⁡x+xsec⁡xtan⁡x\sec x + x\sec x\tan x c) xsec⁡xtan⁡xx\sec x\tan x d) sec⁡x+xtan⁡x\sec x + x\tan x

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