Q. 23.8( 11 Votes )

Find k so that may exist, where .

Answer :

Given f(x) =


To find


To limit to exist, we know …….(1)


thus





From (1)



2(2 + 0) + 3 = (2 - 0) + k


4 + 3 = 2 + k


5 = k


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