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1.Set Theory
hard
ધારો કે $C=\left\{(x, y) \mid x^2-2^y=2023, x, y \in \mathbb{N}\right\}$.તો $\sum_{(x, y) \in C}(x+y)$ =__________.
A
$46$
B
$15$
C
$75$
D
$45$
(JEE MAIN-2024)
Solution
$x^2-2^y=2023 $
$ \Rightarrow x=45, y=1$
$ \sum_{(x, y) \in C}(x+y)=46 $
Standard 11
Mathematics