Do you know its property ? -6

Geometry Level 3

Which pair(s) of functions is/are not identical?

(a) logex3\log_ex^3 & 3.logex3.\log_ex

(b) logeex\log_ee^x & elogexe^{\log_ex}

(c) sin(sin1x)\sin(\sin^{-1}x) & sin1(sinx)\sin^{-1}(\sin x)

(d) sin2x+cos2x\sin^2x+\cos^2x & sec2xtan2x\sec^2x-\tan^2x

Note : Two functions are called identical if they have same domain and same range.

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