1.

Prove that the function f defined by f(x)={x|x|+2x2if x≠0k,if x=0 remains discontinuous at x=0, regardless the choice of k.

Answer»

Prove that the function f defined by f(x)={x|x|+2x2if x0k,if x=0
remains discontinuous at x=0, regardless the choice of k.



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