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Maths-

General

Easy

Question

Solution of $fraction numerator d y over denominator d x end fraction equals e to the power of y plus x end exponent plus e to the power of y minus x end exponent$ is

$e^{x} (x + 1) = y$
$e^{x} (x + 1) + 1 = y$
$e^{x} (x - 1) + 1 = y$
None of these

The correct answer is: None of these

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