Question

y=\ln \left(\frac{x^{-2}}{\sqrt{\left(\cos \left(x^{2}-2 x\right)\right.}}\right) y=(\sec (2 x))^{e^{2 x}} y=\frac{e^{x} \sqrt{x+1}}{\left(x^{2}-1\right)^{2}} \cos (y)=\ln \left(\sin \left(e^{2 x}\right)\right) y=\ln ^{-3}(\cosh (-2 x))

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