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Question Number 60597 by Tinkutara last updated on 22/May/19

Commented by Tinkutara last updated on 22/May/19

Should a be the answer or not?

Commented by ajfour last updated on 22/May/19

$$\mathrm{i}\mathrm{believe},\mathrm{no}.$$$$l\mathrm{depends}\mathrm{of}\mathrm{course}\mathrm{on}\mathrm{n}\left(\mathrm{z}\right).$$$$\mathrm{Further}\mathrm{does}\underset{\mathrm{z}\to 0}{\lim n}\left(\mathrm{z}\right)={\mathrm{n}}_1$$$$\mathrm{and}\underset{\mathrm{z}\to \mathrm{d}}{\lim n}\left(\mathrm{z}\right)={\mathrm{n}}_2\mathrm{or}\mathrm{not}?$$

Commented by Tinkutara last updated on 22/May/19

Sorry Sir it's a misprint in book, got it now.

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