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What is the net area between $f (x) = - x ln (x^{2} - 1)$ $f(x) = -xln(x^2-1)$ and the x-axis over $x \in [2, 4]$ $x in [2, 4 ]$ ?

1 Answer

Nov 2, 2016

Definate Integration by WolframAlpha $\approx - 12.662$ $~~ -12.662$

Explanation:

$A = \int_{2}^{4} (- x ln (x^{2} - 1)) d x$ $A =int_2^4(-xln(x^2 - 1))dx$

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