If the number of terms in the expansion of (1-2/x+4/x^2)^n,x\neq0, is 28 , then the sum of the coefficients of all the terms in this expansion, is [Main 2016]

JEE Main 2016 Question Paper

Section: Mathematics

Question : 48 of 90

Marks: +1, -0

If the number of terms in the expansion of (1−

)n,x≠0, is 28 , then the sum of the coefficients of all the terms in this expansion, is

[Main 2016]

Go to Question:

Prev Question

Next Question