Mark the correct alternative in the following:

If is continuous at x = π/2, then k =


Formula:- (i) and


(ii) A function f(x) is said to be continuous at a point x=a of its domain, iff



(iii) , where ,


Given:-



Function f(x) is continuous at x=



Using substitution method


If , then






Using formula (iii)



Using standard limit formula (i)


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