Find the 5th term from the end in the expansion of (x-1/x)^2

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Solution

in the expansion of (x-1/x)^2

we get only 3 terms

that is

x^2 - 2x1/x + (1/x)^2

= x^2 -2 + 1/x^2

so there is no 5th term

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Find the 5th term from the end in the expansion of (x-1/x)^2

in the expansion of (x-1/x)^2 we get only 3 terms that is x^2 - 2*x*1/x + (1/x)^2 = x^2 -2 + 1/x^2 so there is no 5th term

in the expansion of (x-1/x)^2

we get only 3 terms

that is

x^2 - 2x1/x + (1/x)^2

= x^2 -2 + 1/x^2

so there is no 5th term