1 Answer

Deepak Senapati · Answer 1 · 2023-06-22T14:05:45+0000

⇒Note this is a fraction.

⇒For a fraction to be undefined that is of when the denominator is equal to 0

⇒Now equate what is in the denominator with 0

⇒
$k+3=0\\k=-3$

⇒So that the denominator is 0 that is of when k is equal to -3..it is then that the whole expression will be undefined.

⇒The expression is undefined when k=-3

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