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Expand f(x) = (1)/(x) about x =2 upto fo...

Expand `f(x) = (1)/(x)` about x =2 upto four terms

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The correct Answer is:
`(1)/(x) = (1)/(2) - ((x-2))/(4) + ((x-2)^(2))/(8) - ((x -2)^(3))/(16) + ….`
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