4) Show that the circumference of the unit circle is equal to 1 dx (an improper integral) 2 1 – x² Evaluate, thus verifying that the circumference is 27.

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A: Given that f(x)=5x2-3,    g(x) =8x. We have to find f∘gx and g∘fx. Now, f∘gx = fg(x)         and    ...

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A: NOTE: Refresh your page if you can't see any equations. . take derivative

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A: limx→a f(x)=L if and only if limx→a+ f(x)= L=limx→a- f(x).

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