Q. 415.0( 2 Votes )



B. 1

C. 0

D. –1

Answer :

Formula:-


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



Given:-



Now at x=1





Function f(x) continuous at x=1





Now at x=3




Using left hand limit





Therefore discontinuous at x=3

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