1.

In [-1,1], Lagrange's Mean Value theorem is applicable to

Answer»

`f(x) = |x|`
`f(x) = {:{(cotx,"," x cancel(=)0),(0,"," x=0):}`
`f(x)= {:{((1)/(x),","x cancel(=)0),(0,"," x =0):}`
`f(x) = x^(2)`

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