Question:

R = (a, b) : a + 5b = 42 and a, b ∈ N has m elements and $\sum\limits_{n=1}^{m}(1+i^{n!})$ = x + iy (where i = √-1). Find x + y + m.

JEE Main

Updated On: Jan 3, 2025

20
12
8
13

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The Correct Option is A

Solution and Explanation

The Correct answer is option is (A) : 20

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