If \tan ( {x+ {\y}}/{x- {\y}}) = {\k}, then { {\dy}}/{ {\d} x} is equal to

CBSE Class 12 Math 2023 Outside Delhi Set 1 Solved Paper

Question : 16 of 38

Marks: +1, -0

\tan (\;{x+ {\y}}/{x- {\y}}) = {\k}

, then

\;{ {\dy}}/{ {\d} x}

is equal to

Solution:

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