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Find the area bounded by y=1/(x^2-2x+2) ...

Find the area bounded by `y=1/(x^2-2x+2)` and x-axis.

Text Solution

Verified by Experts

`y=(1)/((x-1)^(2)+1)`
When `x=1, ""^(y)"max ."1`
When `xrarrpmoo,yrarr0`
Therefore, x-axis is the asymptote.
Also `f(1+x)=f(1-x)`
Hence, the graph is symmetrical about line x = 1
From these information the graph of function is as shown in the figure.

`"Area "=2overset(oo)underset(1)int(1)/((x-1)^(2)+1)dx=[2tan^(-1)(x-1)]_(1)^(oo)=pi" sq. units."`
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