Q2 of 155 Page 9

Mark the correct alternative in the following:

If f(x) = |x – a| ϕ(x), where ϕ(x) is continuous function, then


Formula:-


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


(ii) for right hand derivative


) for left hand derivative


Given:-


f(x) = |x – a| ϕ(x)


using formula (ii)




For L.H.L



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