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r a b a 5b 42 and a b n has m elements and n 1 m 1
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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