If A = _ n=1 ^ 1 (3+(-1)^n)^n and B = _ n=1 ^ (-1)^n (3+(-1)^n)^n , then A/B is equal to :

JEE Main 2022 Mathematics question

If and , then A/B is equal to :

Answer: (3)

For odd n, , and for even n it is 4. So + … = (1/2)/(1 − 1/4) + (1/16)/(1 −

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Question ID VK-025256