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The number of terms whose values depend on $x$ in the expansion of ${(x^{2} - 2 + \frac{1}{x^{2}})}^{n}$ is

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2n + 1

2n – 1

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Correct option is A

x2−2+1x2n=x−1x2nNumber of terms in the expansion is (2n+1) out of which just one is independent of x.

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The number of terms whose values depend on x in the expansion of x2−2+1x2n is

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The number of terms whose values depend on $x$ in the expansion of ${(x^{2} - 2 + \frac{1}{x^{2}})}^{n}$ is