Problem

$3.$
If the function $f\left(x\right)=\left(\dfrac {x^{2}-1} {x-1}$ $k$ when $x≠1$
when $x=1$
is given to be continuous at $x=1,$
then the value of $k$ is

10th-13th grade

English

Solution

Qanda teacher - shivaramak

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