If the number of terms in the expansion of (1−x2+x24)n,x=0,is 28, then the sum of the coefficients of all the terms in this expansion, is :

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If the number of terms in the expansion of $(1 - \frac{2}{x} + \frac{4}{x ^{2}})^{n}, x \neq = 0,$ is 28, then the sum of the coefficients of all the terms in this expansion, is :

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If the number of terms in the expansion of

(1 - \frac{2}{x} + \frac{4}{x ^{2}})^{n}, x \neq = 0,

is 28, then the sum of the coefficients of all the terms in this expansion, is :

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Question Text	If the number of terms in the expansion of $(1 - \frac{2}{x} + \frac{4}{x ^{2}})^{n}, x \neq = 0,$ is 28, then the sum of the coefficients of all the terms in this expansion, is :
Answer Type	Video solution: 1
Upvotes	151